PDF malware analysis — malicious · e00a4602507cab7b

MALICIOUS

PDF

96.6 KB Created: 2021-07-02 04:28:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-14

MD5: ec567728af7d9e2b242d656e514eaead SHA-1: e786ec41fd8e2be7af3969a6edc951e761a41e17 SHA-256: e00a4602507cab7bcab1a54c69e2a89b81edbc10ca37fa7ad76233fafbb6941c

176 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The 'SE_CALLBACK_LURE' heuristic suggests a potential phishing or tech-support scam pretext.

Machine Learning

Nyx PDF Classifier malicious score 0.9820

Heuristics 7

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/b0347dc9f9978b8b7570e137dfd1907a/47376080912.pdf In PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160daba99e1118---lodasulupivokexifawowalo.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/wuzimor.pdfIn PDF document text
- https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/581d36bb1e3d7d76f2ee3a1ebf0a6820/rovafoxe.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16090d7eb289d3---lobotol.pdfIn PDF document text
- http://sacoorhealth.pt/site/upload/file/61697431241.pdfIn PDF document text
- http://computerdoki.hu/user/file/magegiweledut.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/worajuvosibavu.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/53aad073ebecff6d3e3f22be61620923/xirudegina.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16074668a76412---vewuvikesafuzeval.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/h4l8h81etuns2tag4fqqk56t2r/vebemulepenudurude.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6f6d2eca4---44002500233.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/a33afe09ea7c1f250d31a8a4b0c4ba76/zusonufed.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9c8f2b26e---befisurelutajen.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089fbd600dfe---49005191506.pdfIn PDF document text
- https://cowichanseniors.ca/userfiles/file/26596699414.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/835dca2e474898b422a3d50d25cf0586/lojukusewafitaxuletik.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73ba178210---98887104883.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/8q2f6cbpc00tq65sgf8jnrd0n3/vodeliredaditupuxijipipa.pdfIn PDF document text
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/2c2aadfd2a3531809c05fc0a1d43f175/dekekenilew.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ceec1ba38aa---4023630833.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/7c86702106a034e20d89f8c6a4b43477/59622337117.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/adb2f90fd06cfb8329c2feb224c6e6b8/tarakivifafedonuwine.pdfIn PDF document text
- https://chambredhotes-savoie.com/ckfinder/userfiles/files/fozuxiwulasapabimonim.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/rat22746c8uj199auh35tqhlb4/17965932821.pdfIn PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/sirubenojonofesoma.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=manhattan+prep+gre+text+completion+%26+sentence+equivalence+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00011629.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11629	17708 bytes
SHA-256: `fc27a8c5c5788fe37a1019cbcb01b3e75b94bce49411b388f4b11636f4988344`
`font_01_sfnt_off00014494.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14494	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00015cab.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x15CAB	10748 bytes
SHA-256: `5756b80a3390e924b5429554c83bb81e1883ffa05b7d724fcbc43869a361bbbc`

Open this report in the interactive analyzer, or submit your own file for analysis.