MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and URL patterns are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://olddieselparts.com/ckfinder/userfiles/files/vodijoji.pdf In PDF document text
- http://xn--9w3b11kh5l.com/ckupload/files/30925798168.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/49325955199.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/97044184288.pdfIn PDF document text
- https://pierrelemagicien.com/userfiles/file/mabubumidozuguvorewave.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/89c534007bb288e8de5c2a163b733d0c/1580918891.pdfIn PDF document text
- https://rsvforum.com/userfiles/file/demetawexev.pdfIn PDF document text
- http://hanyuchina.com/upload/files/jatirixeloporegami.pdfIn PDF document text
- https://venus-forever.com/image/files/36511885574.pdfIn PDF document text
- https://ln80.cn/filespath/files/20210903075055.pdfIn PDF document text
- http://kledingindex.nl/images/uploads/64265028893.pdfIn PDF document text
- http://vouchertiket.com/airplane/ckeditor/uploads/files/32687617435.pdfIn PDF document text
- https://hosvagyok.hu/userfiles/file/fujomebamomonutopajagibod.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133a58e705bc---napuzukubililiwukijigib.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/19975426635.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/jaaukpedbh2tvlr1fvk8j3latj/rofobe.pdfIn PDF document text
- http://consoles-a-gagner.com/fckeditor/userfiles/file/16482530725.pdfIn PDF document text
- https://munis-roquesalbes.cat/demo/vilalba/imatges/file/32792067494.pdfIn PDF document text
- https://nexusmediation.nl/files/79533344723.pdfIn PDF document text
- http://simonkuehner.de/gfx/userfiles/files/mafunalajaga.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/voban.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/23169412528.pdfIn PDF document text
- http://paraleumarian.ro/app/webroot/files/userfiles/files/40278207341.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=arm+assembly+language+programming+100+examples+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_off0000cccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCCF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e4e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E6 | 11356 bytes |
SHA-256: 8c82e7fb11fa7a6f85b0e0253b780209726daa752a39231695fd487ce04a4e30 |
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font_02_sfnt_off0000ff3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF3D | 17524 bytes |
SHA-256: 3dbdf1fa957ff42c2f37341d3656f0b4c1800331962990112863e8415827c14e |
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