MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The presence of these links indicates an attempt to lure users to external sites, likely for credential harvesting or further infection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://allytemp.ru/uplcv?utm_term=ddp+delivery+meaning
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2ac03513e---60237006882.pdf
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/tonimawerobodegefe.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160862c84ae3df---bodibekulezo.pdf
- http://nenkin-t.com/upload_img/ck/files/58988503049.pdf
- https://pfhotel.gr/ckfinder/userfiles/files/2403176534.pdf
- http://berbun.com/user_img/file/wukob.pdf
- https://circolodelpistone.ch/userfiles/file/fopoxuj.pdf
- http://kpotplace.com/uploads/files/pawazojewek.pdf
- https://nestuby.com/userfiles/file/paranitib.pdf
- http://kancelaria-perfect.pl/app/webroot/media/files/gudirebovuzokubepigonel.pdf
- http://taiwanquinoafamily.com/shopadmin/upload/files/64331543730.pdf
- http://yaqeen-eg.com/userfiles/file/kesutefexo.pdf
- http://zezoalza.com/ckupload/files/16310422167.pdf
- https://nnkcreations.com/userfiles/file/pusosirorumivulitoboti.pdf
- http://blackshirts1962.com/clients/f/f2/f245580d3072b78cda2271cf7a7e3f61/File/fepaxuloram.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/c288a9c9bfd7683f8ab84c3374206c7c/lidotutumizomopixukifokax.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/86e55ccc7955408936bc055dc92c989e/90210384670.pdf
- http://tuvanluatdanang.com/upload/ck/files/63664943078.pdf
- https://weeb.nu/userfiles/file/jorumibo.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/e7e7860fe434dec4fc58ea7d0f26bf4e/32609900562.pdf
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a77c455948---25326883792.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609850d7b6273---fokaxe.pdf
- http://macautemple.com/userfiles/file/36798503464.pdf
- https://emauto.lv/index/images/up/file/dixup.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5421cddf1---vilimiwuwufipinimuvelonat.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e4f4.bin8d06f4dcb6e0db638e6a1ec0d4f77c2b86c18f1573797dd51556e1090a23fe1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F4 | 16468 bytes |
font_01_sfnt_off00010f9c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F9C | 16792 bytes |
font_02_sfnt_off000127b3.bin89e0c0cedcceb95bb6dbf3740166fb337293a5996da5061a5697902ea8bf4cdf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127B3 | 10528 bytes |
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