PDF malware analysis — malicious · 9e01e6f56e2b1f1c

MALICIOUS

PDF

86.9 KB Created: 2021-07-03 21:52:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05

MD5: 71d94cb97fb016c8928ba23ced86c7f9 SHA-1: 230a9a469fd3b326ef68fd7fb2166f0df46ed108 SHA-256: 9e01e6f56e2b1f1c71fbdc9da8d012079bd938470851350c9d00196e808c7373

164 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The file was detected as a malicious PDF by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains numerous links to external sites, many hosted on compromised CMS platforms, suggesting an attempt to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing campaign, likely involving a spearphishing attachment as the initial access vector.

Machine Learning

Nyx PDF Classifier malicious score 0.9952

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.
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/ubidj3g0vetlokaqcrbleft1im/85280502276.pdf In PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/a618b58c991086388e5086e58ef81c98/xezorodozelomemojoduvo.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1126418e1---53062203600.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3583e4a7c---2483982400.pdfIn PDF document text
- https://efsanepin.com/calisma2/files/uploads/vubowaxute.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c85b8492b48---morol.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/2890740cb6ffa4f9f9e49373ad47b97d/pikuvido.pdfIn PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/voxogijaso.pdfIn PDF document text
- http://0vote.com/ckfinder/files/24039354805.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/c8f812ad7a92a2599b765a87b2d29d06/munovol.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608271cf11394---28505337171.pdfIn PDF document text
- http://boothbayharborshipyard.com/userfiles/file/2767754181.pdfIn PDF document text
- https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ea998469d---89943661029.pdfIn PDF document text
- https://espaciocultivarte.com/ckfinder/userfiles/files/vinesoju.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4dd85b9dc---47573969885.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/53f01q6ci63u84t6sp39tib111/mukanabexu.pdfIn PDF document text
- http://www.thaiboat.net/image/upload/File/5196222299.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/m27vvsu5q820bppiue464p0tht/jesomanefisimonufasesox.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/dce706bfa4eeb480eceea4605ae876b6/movifebewogi.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/35hdcdst3f1gc7putdqo6i3pp1/wemanenuvexeme.pdfIn PDF document text
- http://lltsg.com/uploadfile/file///2021060122475927.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2a9886b60---40012986694.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607901f935f39---47014076875.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=profit+and+loss+variance+analysisPDF 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_off0000ee79.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE79	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0001068b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1068B	17376 bytes
SHA-256: `88cdc612c7e7aa8bf63c4fa60ef42a1dec9497f04704b1f2152ede25ef65fd51`
`font_02_sfnt_off00013426.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13426	10648 bytes
SHA-256: `317c3120ee525a5c8f64b685a4f790391bf823759eab6961d21c58bd2e4d60a9`

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