MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The document's structure and embedded URLs strongly suggest an attempt to redirect users to malicious sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://garglob.ru/uplcv?utm_term=android+recyclerview+search+filter+example PDF link annotation
- http://ros-grad.ru/fck_editor_files/files/pefupemurofurawuwaxipova.pdfIn PDF document text
- http://28777886.com/Lpf/UPFILE/userfiles/files/72127622073.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/03cdaa1d2ce2ccf621f5b87bc24a0ac6/32943147018.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/gavabowubarobewukaj.pdfIn PDF document text
- https://livres-arts.com/ckfinder/userfiles/files/45522583366.pdfIn PDF document text
- http://expnavi.com/sites/all/sites/default/files/file/topigiburujebiratiji.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369b3fb1b5e---76435584834.pdfIn PDF document text
- http://cukiernia.eu/upload/files/dulagabebumom.pdfIn PDF document text
- http://okzawidow.pl/img/upload/files/karuvaneligebevelurovux.pdfIn PDF document text
- http://rungruangsteel.com/public/upload/userfiles/files/68687929262.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/mowapude.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/95488623992.pdfIn PDF document text
- https://aviseco.ro/userfiles/file/bonidagevajositufe.pdfIn PDF document text
- http://biosite.ru/images/news/file/69629670429.pdfIn PDF document text
- http://interstroy96.ru/uploads/files/50673598248.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/cca2eed2e37a75ac5c77de1fff78b3d2/16177959033.pdfIn PDF document text
- http://www.chatanakonci.cz/userfiles/file/22189691739.pdfIn PDF document text
- http://tries.cz/media/images/upload/file/96800381837.pdfIn PDF document text
- http://nguoigiupviec99.com/webroot/img/files/rudagejevunaliditebufuj.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee6f20f7fa---sudemelole.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130c0a2ab3bd---gaketadajasumabumomod.pdfIn PDF document text
- http://innospectrum.eu/hirlevel/file/fukezomo.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614311de1921d---jezisiritapu.pdfIn PDF document text
- https://samirkumarpaul.com/ckfinder/userfiles/files/38282438914.pdfIn 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://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_off0000c58c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC58C | 17696 bytes |
SHA-256: a2a6785f82dc5a09345396c312195cde9e287a4314a9ecff694de9dc75f27a6c |
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font_01_sfnt_off0000f35b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35B | 11236 bytes |
SHA-256: c96d24d509f86f5510d16c17a2bb8a9f49edb57f2fc6d9a2898b9dea802c283a |
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font_02_sfnt_off00010d96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D96 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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