MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. The document contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute malicious content or conduct phishing. No scripts were extracted, and the document body was unreadable, but the presence of a link farm is a strong indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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 http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609131a1af803---23868258691.pdf In PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788a8030249---puxepozezakep.pdfIn PDF document text
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/295a0b6ce7b3ceec1d85a44a99ec06ab/tinodadarurukufadado.pdfIn PDF document text
- http://broadgatecapital.com/userfiles/file/72608832401.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/4cf58d352175713c062b17f8eec852c7/55546453601.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/nixiru.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/8483370326.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160e30083395cc---86140592548.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/4a5aec532ae4ed3d962fa52f1025c179/4615407665.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/20215291427179415.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/6p5259r4utsgcib2fh33veus6s/liduvi.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/ahq66s46b5gdovtcsih2q4rm7i/kelusovalosivifinamigesa.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/lurukafawewapu.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/c7f02fe441e15dbc26d91261e138c100/sipekijinamakigow.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bc3a90f0dea769580cee331cfda9225a/18267999691.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/0798bc72974cf7767532b01ced3ad6fd/11936692076.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/vomovuni.pdfIn PDF document text
- http://ccspatti.org/userfiles/file/57467360018.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/0927694rcdsue2v9k0lckmnig1/39206163722.pdfIn PDF document text
- http://china-hold.com/UploadFile/file/20210522114557110.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800458816be---jojoramusetitubegedaxol.pdfIn PDF document text
- https://kltccompany.com/ckfinder/userfiles/files/pebunafixolagupitim.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a083ca07f4f---10796616222.pdfIn PDF document text
- http://edgecs.net/documents/wamigupunun.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=9th+grade+english+worksheets+with+answers+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_off0001163f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1163F | 17144 bytes |
SHA-256: 7b0a5f76e9507d0e1c56950a3caecad9af4d48321fa9f1d6b606b9fd117253f4 |
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font_01_sfnt_off00014289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14289 | 11024 bytes |
SHA-256: e68495ec616af4b205fb56060e1d3904dcf8a06c08934733c19a975064c2bc92 |
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font_02_sfnt_off00015bfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BFB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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