MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm designed to redirect users to various websites, likely for phishing or malware distribution, masquerading as a search result for 'photo collage app free download for android'. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. No scripts were extracted, but the embedded URLs and link farm structure are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://oniceh.ru/uplcv?utm_term=photo+collage+app+free+download+for+android PDF link annotation
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sofanesavoza.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609040959d897---doxebev.pdfIn PDF document text
- http://eortak.com/img/fck_temp/file/41605389302.pdfIn PDF document text
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/e8e2b0b9bc5e908773364e509407d293/zumiguminig.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b92fc790e4---79478525804.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090f0b44ab29---nigaxajexewibumiriziwuwok.pdfIn PDF document text
- http://www.haztartasigepszakuzlet.hu/pics/file/ragaramijonavebipab.pdfIn PDF document text
- https://avonsteel.com/UserFiles/file/46943952777.pdfIn PDF document text
- https://nepalimodelagency.com/userfiles/file/wogukupem.pdfIn PDF document text
- https://ev-owners.jp/userfiles//files/37933639742.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/2e05458159a122f0f12e972372a935b3/87097553346.pdfIn PDF document text
- http://iphysiology.ru/upload/94998011732.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/gebiradiwuwul.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae0cc57346---danadiruza.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/7781ec92904030fec5b0b7ff685846bb/dojatinigekomuw.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608203851d616---5247663903.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/93925959370d02e26aff9e42d54ccdf9/51259566327.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/616f4fc54edaf6c2d0cf2dc2a782a6ec/fovepisaserusigav.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000100dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100DD | 5332 bytes |
SHA-256: d6c25b61ffaffed3b0377ac0f88e0ae8daed21bc05bab360608644058069f447 |
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font_01_sfnt_off00011312.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11312 | 11120 bytes |
SHA-256: 71119d61f238415c0027e030004079d21dc6871f202c6facb2d1304b8a6e0222 |
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