MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm pointing to potentially compromised websites. The PDF structure and embedded URLs suggest an attempt to redirect users to external resources, which is a common tactic for phishing or malware delivery. No scripts were extracted, but the PDF's nature strongly implies it's part of a spearphishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://shipagents.nl/uploadfiles/file/novojizuzijotijubixizala.pdf In PDF document text
- https://tsafar.ir/basefile/tsafarir/files/supikab.pdfIn PDF document text
- http://fohow77.ru/upload/file/futewulexo.pdfIn PDF document text
- http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/muxodukifipeda.pdfIn PDF document text
- http://toflight.mobi/attachment/ckeditor/files/91c7a25e96e2201d8b4a5b7a001c47a2.pdfIn PDF document text
- http://nktrading.qa/file/files/pujibaduwitapuke.pdfIn PDF document text
- http://coumert.com/images/file/47333015280.pdfIn PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/72590282502.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/tfsodeorn4a53hvotagm298594/75866335022.pdfIn PDF document text
- http://naoshima-habitant.com/images/blog/file/88023623115.pdfIn PDF document text
- http://heimundsicherheit.de/userfiles/file/gijologuvenifujokuk.pdfIn PDF document text
- http://wabasnb.com/files/fckeditor/file/8613625156132a1860f6e6.pdfIn PDF document text
- https://tezerwatch.com/file/upload/files/09-07-00-56-09-66.pdfIn PDF document text
- https://habibitours.net/ckfinder/userfiles/files/riwimunutiwididokedo.pdfIn PDF document text
- https://queensflower.nl/clientfiles/sonewutufum.pdfIn PDF document text
- http://35ju.21tg.cn/uploadfile/ckeditor/files/vegurixiwetat.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613623ce49e9f---88717226529.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383d8a01fc3---weropurakiv.pdfIn PDF document text
- https://patriciogaete.com/upload/file/xakotupinazibodefulexomon.pdfIn PDF document text
- https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/86087858973.pdfIn PDF document text
- http://bassbasement.org/userfiles/file/51544143306.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/21306370255.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/xugejun.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=rolling+stone+greatest+metal+albumsPDF 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_off00011243.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11243 | 10736 bytes |
SHA-256: 1aad0610185fbfa8dd8ae1814d37a62c9b1206e1de09e571daf3e42a5e350967 |
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font_01_sfnt_off00012aec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AEC | 17772 bytes |
SHA-256: 5f189870f75dfe73438cbabcbdf9d067d97db6448d71c3ff6fcffa27034b33e7 |
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font_02_sfnt_off00015910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15910 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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