MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The presence of a link farm with numerous distinct hosts and a 'download button' lure suggests an attempt to trick users into downloading further malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious workflow, likely involving the embedded URLs to facilitate the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://auburn-companies.com/userfiles/files/86524242657.pdf In PDF document text
- http://huzatfokozo.hu/editor_up/61924790097.pdfIn PDF document text
- https://sakkestadbil.no/userfiles/file/61447459289.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/12374139535.pdfIn PDF document text
- https://seger.cz/userfiles/file/lefalekowegedapenopiviteg.pdfIn PDF document text
- https://thaiahpa.com/flash/files/80446353585.pdfIn PDF document text
- https://mandarinusa.com/userfiles/file/1631008329.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/83185437524.pdfIn PDF document text
- http://szentimresiklos.hu/upload/file/6026259577.pdfIn PDF document text
- http://toitureetfacade.fr/data/Files/xakigopejafo.pdfIn PDF document text
- http://pol2-simf.ru/userfiles/file/turaxifufalejukumu.pdfIn PDF document text
- http://www.sanruou.com/app/webroot/uploads/files/74948278072.pdfIn PDF document text
- https://behagi.eus/files/galeria/files/57271137562.pdfIn PDF document text
- http://nguoiquangphianam.com/uploads/files/51217208932.pdfIn PDF document text
- https://cordovajewelry.com/images/file/gujozopebipudakitopuf.pdfIn PDF document text
- https://holycrosshealthcare.com/userfiles/files/48055806715.pdfIn PDF document text
- http://salamatekhanevadeh.ir/ckeditor/files/files/matexazufugezufekobonore.pdfIn PDF document text
- http://orthodoxvaidikasanghom.org/userfiles/file/12772019967.pdfIn PDF document text
- http://defhjdrjioo.friend-match.com/upload/files/jujaxe.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/wewovuwu.pdfIn PDF document text
- http://wcsps.com.tw/ckfinder/userfiles/files/nowajumikul.pdfIn PDF document text
- http://letresorellebio.it/userfiles/files/79004138718.pdfIn PDF document text
- http://klubalfa.org/img/userfiles/file/mekazuredupotumid.pdfIn PDF document text
- http://hflbdq.com/uploads/file/080550545884.pdfIn PDF document text
- http://dogwarts.ru/sites/default/files/file/93884366041.pdfIn PDF document text
- https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/83859817665.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=asphalt+8+airborne+for+android+downloadPDF 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_off0000c477.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC477 | 16696 bytes |
SHA-256: 8ef187cf1b2575a48b7f374af48fea563f2ed9c3d03d7196b22e3a55b02f86a6 |
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font_01_sfnt_off0000ef7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10796 | 11008 bytes |
SHA-256: 08bd26191fa9a8e178039d8721eb0b9c59f510221d5ec4c9c47a5888caffe46a |
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