MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs that point to various websites. Several of these URLs are hosted on compromised CMS upload directories, indicating a potential distribution point for malicious content. The presence of these links suggests an attempt to lure users to external sites, likely for phishing or further malware delivery.
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://talani.nl/userfiles/image/file/55363510870.pdf In PDF document text
- http://immobilier-valence-agen.com/userfiles/file/88569862838.pdfIn PDF document text
- https://asiquim.com/ckfinder/userfiles/files/wifugululudopedi.pdfIn PDF document text
- https://ltes.tw-goods.com/UserFiles/files/zemilosixifobo.pdfIn PDF document text
- https://kozmetikadunakeszi.hu/userfiles/file/140862207.pdfIn PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/vudoxilo.pdfIn PDF document text
- https://castilloexterior.org/ckfinder/userfiles/files/fekug.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613247a843588---16647836573.pdfIn PDF document text
- http://aprt1day.ru/file/43412235122.pdfIn PDF document text
- http://aallergy.friend-match.com/upload/files/82968839328.pdfIn PDF document text
- http://giftboxvietthuy.com/upload/ck/files/godepepakurided.pdfIn PDF document text
- http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89233486287.pdfIn PDF document text
- http://marcelponjee.nl/ponjeefiles/file/10803866929.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/58c59969804b7464b6deaeff062e49f2/80913110602.pdfIn PDF document text
- http://mtcnx.com/upload/fckimagesfile/tiremotu.pdfIn PDF document text
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/50198375660.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/80216497874.pdfIn PDF document text
- http://clubsahdianagalati.ro/upload/editor/file/kurowikagepumikaja.pdfIn PDF document text
- http://tuanayapim.com/rsm/files/nipoj.pdfIn PDF document text
- http://kvbm.org/pds/userfiles/files/37090526909.pdfIn PDF document text
- https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/mawozerewo.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/bc73ac9cace6276b821ddaeb377a7936/mudilunemulavafu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=watch+twilight+full+movie+freePDF 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_off0000f49f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF49F | 10756 bytes |
SHA-256: c647707b8d081d323ac14596e6fbc1e80546b64fccf927c36bf4299efddd1901 |
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font_01_sfnt_off00010d77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D77 | 17904 bytes |
SHA-256: cf82e2ffc11cace4623375fc1439bdb5f827f61d9fe2dc5da7e515d38c965755 |
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font_02_sfnt_off00013bb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BB8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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