MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm pointing to numerous disposable domains and compromised WordPress sites, a common tactic for phishing and malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing a secondary payload. Although no scripts were explicitly extracted, the PDF structure and URL patterns suggest it's designed to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://laborke.ru/uplcv?utm_term=sistemas+scada+pdf PDF link annotation
- https://beauty-full.ru/uploads/files/davopifudarar.pdfIn PDF document text
- https://suacuacuontoanphat.com/upload/files/89143766306.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/9ca4e499a4803a950159c5ce95b39606/19561353499.pdfIn PDF document text
- https://alaqart.atelierleuthold.ch/userfiles/files/vukulos.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe8f72b227---31185696581.pdfIn PDF document text
- http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/fomelonomudedumokemedos.pdfIn PDF document text
- http://geomanteia.com/userfiles/files/xapatefaroxapelat.pdfIn PDF document text
- http://yaan121.com/uploads/files/202109140751032328.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/ml2gmfm80hs0gi4ennghavrnp5/14186379088.pdfIn PDF document text
- http://kanchanaspa.com/ckfinder/userfiles/files/68353306760.pdfIn PDF document text
- http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/35531526946.pdfIn PDF document text
- https://dzido.pl/userfiles/file/84719339132.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/71808873388.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/raxoraburad.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/dageromavo.pdfIn PDF document text
- http://changrung.com/ckfinder/userfiles/files/lovimetegulerudiwakegafun.pdfIn PDF document text
- http://gloteckr.com/upload/editor/file/12536801721.pdfIn PDF document text
- http://konferencii.org/web/uploads/assets/file/bunodutezi.pdfIn PDF document text
- http://uptindia.com/newsimages/file///jobutakikuweliwasib.pdfIn PDF document text
- http://choragwica.pl/userfiles/file/42084886837.pdfIn PDF document text
- https://anhhuynoithat.com/asset/files/35840008703.pdfIn PDF document text
- http://hoangnamjsc.com/upload/files/86997380345.pdfIn PDF document text
- http://buyyoutubelikes.com/ci/userfiles/files/pinezos.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_off0000d3f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3F7 | 17400 bytes |
SHA-256: 8912ca43392f3354750f408c2f8406ac91eb8288dcc8a2f6b3edeec644ddb5db |
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font_01_sfnt_off000100f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F9 | 10484 bytes |
SHA-256: e09641210f8699081fec411196ca4080cd476d30d5552a352cc378cb69dff43b |
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font_02_sfnt_off000118d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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