MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories and disposable domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://longchimvac.net/app/webroot/uploads/files/xirubanopi.pdf In PDF document text
- http://ateliergermain.org/sites/default/files/file/70217131300.pdfIn PDF document text
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19870041289.pdfIn PDF document text
- https://hogozaty.com/ckfinder/userfiles/files/loravus.pdfIn PDF document text
- http://avandcie-energy.fr/ckfinder/userfiles/files/nazonebidos.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16151d5fc52bf5---gorotugezefij.pdfIn PDF document text
- http://cu-hinothai.com/ckfinder/userfiles/files/josusenibanuzadikimuvira.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/29417273289.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f57e8c58cb---sojodivemabujojovejiwixin.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/iig30u2ec5npugugmuap28r8r7/88989110769.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/bchbnjuncbgep9km9kcre9i3a9/44915199473.pdfIn PDF document text
- http://bkht.vn/userfiles/file/nulafu.pdfIn PDF document text
- http://leruichem.com/upload/files/soripowoxinudagigijoveja.pdfIn PDF document text
- https://farmacieitaliane.com/documenti/file/judobotiboxuza.pdfIn PDF document text
- http://izmirtavla.com/upload/file/97219552358.pdfIn PDF document text
- https://chambres-hotes-aube-bleue.fr/userfiles/file/gupadufidu.pdfIn PDF document text
- https://www.willmarshelter.com/ckfinder/userfiles/files/vagakur.pdfIn PDF document text
- https://dyaa.club/uploads/file/41782704136.pdfIn PDF document text
- http://indemo.pl/Image/files/senolemelatidagonujib.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/161321e4c8a72b---22593180781.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=automatic+passive+to+active+voice+converterPDF 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_off0000d78c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78C | 10636 bytes |
SHA-256: 77e61acd57b79ac8bf7a91a484a60a2ec35c7cd8e08f52a6ce17ee75211c05e0 |
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font_01_sfnt_off0000eff2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF2 | 19208 bytes |
SHA-256: 36833dbb892543f48bed969882d9a3adf415c1ff3209acacb09d6d16e311fb05 |
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font_02_sfnt_off000121f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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