MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate a phishing or trojan payload. Although no scripts were explicitly extracted, the nature of the embedded URLs and the heuristic firings point towards a malicious intent to redirect users to potentially harmful sites.
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://crysiq.ru/uplcv?utm_term=factor+theory+of+motivation
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800d76dd98e---pesizaxefe.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/def7d9645aadccabaea200dc20215d09/puxijupo.pdf
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/4893388142.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5a1e3c9fd---wakirewufikalobomutiwowi.pdf
- http://alhouti.com/userfiles/file/84247939477.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfb66992be---zofusogitag.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/a2a19458714bdf085ed55ffc6ffd6575/26591873648.pdf
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608639de2cd40---13302329172.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b16a4f2b037---86524523940.pdf
- http://podhoru.cz/userfiles/file/bavoginuxeralolovufipita.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a62cfd82b2c---sojenuburozitabedozutu.pdf
- https://studiopros.com/userfiles/file/
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160846dc3f0936---75811817284.pdf
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/9fa826e05108549d5c38e95de74de9ab/63806519386.pdf
- https://alihuata.com/userfiles/file/fuduzikanafalidafonoteb.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b3141c33241---panipefuxi.pdf
- http://ciskmv.com/css/file/zaxokulosujesafixolisawup.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/08ddc81a42c6fadf8e36120c791e2189/nuvakitalosuxexel.pdf
- http://al-bandak.com/userfiles/file/jelovawepujiga.pdf
- http://cpgny.com/userfiles/files/lokewokuwadolugukinatupo.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f397bf933---64999864265.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/aeba3ef7b4ef9456a0155f94270caba5/zikaxuladenipej.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/9g4tm1tukbluef59bhgk29h115/gejalukale.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/f123fc566089fc60f6fca9e725044bab/wewakubotupi.pdf
- http://osrclass1967.com/clients/8/84/84e84eb3bb32f45446e669e24fea3ebc/File/94867208455.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_off0000e984.binfccf473060e04c8bf0d631b51c21c9744af6a5387015d25107acfdfa8b963d88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE984 | 10544 bytes |
font_01_sfnt_off00010169.bindd6cb0a8cefdf1fa76991bdf3fb2c2fea77598239574bbe83bc9c2c1e2c915c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10169 | 16476 bytes |
font_02_sfnt_off00012c0f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C0F | 16792 bytes |
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