MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a link farm pointing to numerous domains, many of which are hosted on compromised CMS platforms. The primary URL, 'https://crewmak.ru/uplcv?utm_term=attention+charlie+puth+mp3', suggests a lure to potentially malicious content disguised as entertainment. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://crewmak.ru/uplcv?utm_term=attention+charlie+puth+mp3 PDF link annotation
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/1c281ce750bef0396ecbe8f0905b5b0d/tetobu.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/bebd88152f924e9540962cdff486491b/zegexipimumobodegi.pdfIn PDF document text
- https://rjpexport.com/files/puxubexo.pdfIn PDF document text
- http://baiduvpn.com/upload/files/bunogagoretusatitetexilem.pdfIn PDF document text
- https://songhong.info/userfiles/file/90472083926.pdfIn PDF document text
- http://urparitet.ru/admin/ckfinder/userfiles/files/68589603972.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161347f91cbf1e---2062392969.pdfIn PDF document text
- http://gekon.net/userfiles/file/21866598234.pdfIn PDF document text
- https://rosycaffe.com/file/11892122712.pdfIn PDF document text
- http://abwfinlay.com/uploads/files/depaturizipimidum.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/ed58e291f3e58ccdec728447ea24c2d2/44762573071.pdfIn PDF document text
- http://amindoost.ir/images/upload/files/fizidoxifuwokejufo.pdfIn PDF document text
- http://synergienetwork.net/userfiles/file/20077080500.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9a19a775d---kenorepetoj.pdfIn PDF document text
- https://bocion.com/ckfinder/userfiles/files/5812450756.pdfIn PDF document text
- http://kzlo.pl/fotki/fotki/file/15583258550.pdfIn PDF document text
- http://littlepearlbooks.in/data/eimages/file/rafodomedimu.pdfIn PDF document text
- http://fratellilongoni.com/userfiles/files/rugujedotosizuniriv.pdfIn PDF document text
- https://taipeitccia.org/CKEdit/upload/files/8716135529.pdfIn PDF document text
- https://ww150002.linebot.net/upfile/files/20211007235248.pdfIn PDF document text
- http://assotechne.eu/userfiles/files/76742940953.pdfIn PDF document text
- http://yossy.biz/userfiles/file/15816780681.pdfIn PDF document text
- http://mastera-mix.ru/ckfinder/userfiles/files/bifiliruvexusa.pdfIn PDF document text
- https://expobar.vn/app/webroot/files/images/pages/files/pemikapon.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_off00011f1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001372d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1372D | 21520 bytes |
SHA-256: 29df321714601e5e9a6df7226c82899e0b609761d13ffabf594a3ac015e13cc4 |
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font_02_sfnt_off00016edf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EDF | 10724 bytes |
SHA-256: 410a352f0df7143544047d38d5c03226e89890cb0a913a634acc99a14e368de7 |
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