MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or are hosted on disposable domains, indicating a link farm or SEO manipulation tactic. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or distributing further malware through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://rongqichem.com/upload/files/kalakatigowajoxuwe.pdf In PDF document text
- http://kxqcgs.com/filespath/files/20210906115614.pdfIn PDF document text
- http://alconsprom.ru/ckfinder/userfiles/files/vofedojexiviguzo.pdfIn PDF document text
- https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/sixozexal.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/28645839138.pdfIn PDF document text
- https://mimpishio1bet.net/contents/files/zowinoruzageresav.pdfIn PDF document text
- https://tahitotfalu.hu/ckfinder/userfiles/files/86652409715.pdfIn PDF document text
- http://basumati.com/app/webroot/ckfinder/userfiles/files/bejarozikibamiwodatefare.pdfIn PDF document text
- https://greenboo.vn/uploads/files/45941452434.pdfIn PDF document text
- https://huanghecables.com/d/files/pinikupoz.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161462b459f4cb---bamilegagejelivuzopewot.pdfIn PDF document text
- https://bleikss.com/userfiles/file/96748201200.pdfIn PDF document text
- http://krakow4you.pl/krakow/files/sofufekeneg.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/gefotazafulexajawororu.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/467d6d4eb1b1de615c5f3c380479a844/1858904281.pdfIn PDF document text
- http://dayou.tw/uploadpic/files/202109100553153348.pdfIn PDF document text
- http://lifeline-sports.com/files/file/88529769845.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/xevaxus.pdfIn PDF document text
- http://plafondchauffant.fr/img/user/file/nekokamopegasuwuxosogu.pdfIn PDF document text
- http://eptesteplelek.com/uploads/file/50237772973.pdfIn PDF document text
- http://tourhong.com/FileData/ckfinder/files/20210912_33CAB6D0E7BDD355.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/be545135fdd0b27d88058847e5a45533/muvedijoximimibovavosi.pdfIn PDF document text
- https://kildevangen.dk/files/72575140539.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=hill+climb+racing+coinPDF 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_off0000bbb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBB4 | 17320 bytes |
SHA-256: a678dd1a917527a5172562dbdec504a6d7b4ab1024e0c8c5220cb99432bf6e0d |
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font_01_sfnt_off0000e7c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ffda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDA | 10304 bytes |
SHA-256: 858543786bf88ee784fb401599f6bf05d06e43b23b328656a1f01717b0d48b5a |
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