MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on disposable domains or compromised WordPress installations, suggesting a link farm designed to distribute malware or phish users. The presence of a 'utm_term' parameter in one URL indicates a potential marketing or tracking lure, in this case pretending to offer a free game download. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://smidgel.ru/uplcv?utm_term=fnaf+help+wanted+free+download PDF link annotation
- https://happycolaborativo.com/uploads/files/58326301845.pdfIn PDF document text
- https://bcm.es/files/galeria/files/nakupawirajuxo.pdfIn PDF document text
- http://lignumweb.com/site/webroot/uploads/files/natojexawotuzitoxedidev.pdfIn PDF document text
- http://celesteandtorsten.wedding/images/file/1828266186.pdfIn PDF document text
- http://kozelskadm.ru/files/uploads/files/riwimuro.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/pekeluzuxoxijisilel.pdfIn PDF document text
- http://tomaszskiba.com/userfiles/file/27866107248.pdfIn PDF document text
- https://bunian-co.com/other_files/File/61286555318.pdfIn PDF document text
- http://daejonggyoyc.com/userfiles/file/20210906093855.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136383131ff1---katawaparadiparu.pdfIn PDF document text
- https://kuzeyilac.com/resimler/files/debuz.pdfIn PDF document text
- http://ztkammer.at/uploads/file/ferifubaxedofo.pdfIn PDF document text
- https://gamma-electronics-eg.com/userfiles/files/53365821905.pdfIn PDF document text
- http://luxmeterthai.com/ckfinder/userfiles/files/dedemase.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/5acfb918667aa6a0904d3923dd26178a/78093795532.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/2350207033.pdfIn PDF document text
- https://rainbowprinter.com/app/webroot/files/file/76961682240.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/161307d4296fde---jonabizajib.pdfIn PDF document text
- https://divanich96.ru/admin/ckfinder/userfiles/files/jotufixukisomejuv.pdfIn PDF document text
- https://www.tahitotfalu.hu/ckfinder/userfiles/files/jesudalut.pdfIn PDF document text
- http://byty-pardubice.eu/UserFiles/File/93842511706.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613487f6e5c29---57074757887.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_off0000e00f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE00F | 17312 bytes |
SHA-256: d252d564ef59e41887ccb22a88a01f003c37b18f98cef9dd1e848d96b8f5317b |
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font_01_sfnt_off00010bf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BF6 | 10396 bytes |
SHA-256: beca196309ce50beeb7119840b27b5f9413585e4d6d6237718c9dd702af52276 |
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font_02_sfnt_off00012375.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12375 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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