MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to potentially compromised or disposable domains, indicative of a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
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 http://autosoftware.company/autoresponders_images/files/78707924312.pdf In PDF document text
- https://globalybm.com/ckfinder/userfiles/files/1631114132.pdfIn PDF document text
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/mowisalononoxez.pdfIn PDF document text
- https://braus.uz/images/shared/file/46796450868.pdfIn PDF document text
- http://baschin-heizung.de/meineBilderAlbertGrundschule/file/47084151917.pdfIn PDF document text
- http://creative-format.com/upload/editor/files/zepifipojotulu.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613caeec62a93---89959169092.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/60118610112.pdfIn PDF document text
- http://lionsmarsala.it/userfiles/files/17356921229.pdfIn PDF document text
- http://topbuild.net/content/xuploadimages/file/95434599771.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/lepevudi.pdfIn PDF document text
- http://britishcytology.org.uk/ckfinder/userfiles/files/15527995824.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/c0fb070b1d8648bb9ec4efaba0919401/baguwosijabetad.pdfIn PDF document text
- http://kdwatch.net/upload/files/2021090303230231.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/f23gg6ar4s33ouc0g4dp1enn0k/vexozinatabilojenexofif.pdfIn PDF document text
- http://managhantasala.net/mailuserfiles/file/vadilaxozefoxivu.pdfIn PDF document text
- http://bluebossa.pl/files/file/vinokukavo.pdfIn PDF document text
- http://keralastatetailorsassociation.com/userfiles/file/lojewikuzilasodenexevigo.pdfIn PDF document text
- https://yennenga.org/business_school/uploads/file/44134253505.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/57839105471.pdfIn PDF document text
- http://bidadapatidar.com/userfiles/file/84565025348.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/75677980538.pdfIn PDF document text
- https://www.jnvhardoi.org/ckfinder/userfiles/files/welejaxifelabufilalazapi.pdfIn PDF document text
- http://3q1p.com/upload/file/210908111639181376ge0kmgr8d2bg.pdfIn PDF document text
- http://sin-hua.org/userfiles/43351360699.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=should+i+eat+breakfast+before+or+after+workoutPDF link annotation
- 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_off0000c21f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC21F | 17740 bytes |
SHA-256: 5f6aa1b39f87e6fd5da55cc053c7dcf9d00ae7026d755b62462b22723e3f08c5 |
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font_01_sfnt_off0000ef8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8E | 10840 bytes |
SHA-256: 9e42b6dd30531e4f21479e6159dd648a86d80b6f6827ddf663583d1a2878726c |
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font_02_sfnt_off000108c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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