MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm for phishing or malware distribution. The presence of a URL with "android system stopped working" suggests a lure to trick users into visiting a malicious site. ClamAV detection as Pdf.Phishing.Trojan further supports the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://coretry.ru/uplcv?utm_term=android+system+stopped+working PDF link annotation
- http://brandiassociati.it/userfiles/file/tikufikimabivanirob.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/zuvudi.pdfIn PDF document text
- http://taaltoetsvo.nl/userfiles/file/44212372333.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/mumubanexaxa.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f625065f73---83026137476.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/toxiruj.pdfIn PDF document text
- http://puisan.ru/uploads/file/pujunamoduwipegumapewaw.pdfIn PDF document text
- http://watch62.ru/files/files/94646583358.pdfIn PDF document text
- http://zzweien.com/d/files/40387559249.pdfIn PDF document text
- http://studiopiergentili.it/userfiles/files/24125694958.pdfIn PDF document text
- https://pastijptoto.com/contents/files/17174427299.pdfIn PDF document text
- http://hyundaidongdo3s.com/images/files/vuvajowebuz.pdfIn PDF document text
- http://pagyesa.org/userfiles/file/20210914081431.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/161442dbc47f23---56442815516.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/26853279914.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/vllcs5k4k7r77m2ohrpd9qd3jq/repazapexilos.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/bapenetefukuvifiseza.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/puxebiripovokepedipudu.pdfIn PDF document text
- http://nikolabartakova.cz/files/file/bapogikugizepab.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342b114e1d1---diruwatiripemosowu.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_off0000cce3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCE3 | 16776 bytes |
SHA-256: c9dcf7b39569d894dee7219dae4b94a32c5703b8df0171dfeb0e9945174f681f |
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font_01_sfnt_off0000f81b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81B | 10800 bytes |
SHA-256: 1b0046f43be92fe5abbf79cc7246052c5f25a0d60202258c5a0022ea01798c9e |
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font_02_sfnt_off000110e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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