MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The heuristic firings indicate a pattern of link farming and the use of compromised CMS uploads, reinforcing the phishing and potential malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://cructi.ru/uplcv?utm_term=statics+hibbeler+solution+manual PDF link annotation
- http://steakpluspizza.us/userfiles/file/79388337407.pdfIn PDF document text
- https://www.peltonfell.org.uk/ckfinder/userfiles/files/mewujitaxufilexe.pdfIn PDF document text
- http://primaria-ciocirlia.ro/media/file/gixapisojap.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b380488667---tikojesojutiloxikuwelemo.pdfIn PDF document text
- https://baglab.pl/galeria/file/81580386787.pdfIn PDF document text
- https://cakesandcupcakes.net/userfiles/files/11662345935.pdfIn PDF document text
- http://schodylux.pl/userfiles/file/65537558054.pdfIn PDF document text
- https://edubox.mn/uploads/users/0/files/43436807986.pdfIn PDF document text
- http://gekon.net/userfiles/file/wozilebigedafuvil.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/j1o9ouh28t6j3nsqmr00elf1ab/22218730773.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1614323de8fb9e---69376128004.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/97712867673.pdfIn PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/6365765376.pdfIn PDF document text
- http://hyundai-baoloc.com/luutru/files/30111734048.pdfIn PDF document text
- http://divapharma.com/uploaded/file/60993948437.pdfIn PDF document text
- http://c2ctrading.org/cms_upload/files/26283638542.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/viwakagazesi.pdfIn PDF document text
- http://scamps.biz/userfiles/file/41987137999.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/90277888121.pdfIn PDF document text
- http://uhy-th.com/image/upload/files/legezufejofanetonilare.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/manegivikagotogexovemeg.pdfIn PDF document text
- 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_off0000b7c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7C8 | 16852 bytes |
SHA-256: 0e452cbe3ae862ecff2bb7b2cbe91ce6a045b30ca3429a0474287eea2c0713da |
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font_01_sfnt_off0000e34b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE34B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fb62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB62 | 10808 bytes |
SHA-256: 6ad439ae2542cc7dce12e8488045a8a3dab3907c6481900c1bb2c7f28cdebeaf |
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