MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. This suggests a phishing or SEO-poisoning attack pattern, aiming to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://nomylo.ru/uplcv?utm_term=how+to+restore+deleted+photos+in+phone PDF link annotation
- http://gespk.com/userfiles/file/97036417537.pdfIn PDF document text
- http://dr-onesrl.com/userfiles/files/19462290231.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/qljnglt1uj90j0lltq8uniktt0/5676507721.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/0f4571b5b122ede5d805a92360d1f51f/5991980658.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/59489964447.pdfIn PDF document text
- http://stonebreaker.at/67066829386.pdfIn PDF document text
- https://khambenhxahoi115.com/images/files/sixorovusuwixadurepilar.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/gitexogomi.pdfIn PDF document text
- https://rosewoodcity.org/nbloom/fckuploads/file/zimopesil.pdfIn PDF document text
- http://studiorapizza.it/userfiles/files/kinoluvosizakovexinesape.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/oh3e85dc9kb1uioslsq42c7cj7/22011613051.pdfIn PDF document text
- http://blueleaves.ru/userfiles/file/dufafovurolovabepajokuz.pdfIn PDF document text
- http://seoulmenu.com/uploads/files/fawumoxebolej.pdfIn PDF document text
- http://sooclose.eu/upload/File/70937784809.pdfIn PDF document text
- http://www.fred-robin.com/ckfinder/userfiles/files/23808972829.pdfIn PDF document text
- http://tageedesign.com/ssmpt/documents/file/kewirelavegosenupakil.pdfIn PDF document text
- http://kme-kme.cz/files/file/rakukaneliluzidipajese.pdfIn PDF document text
- http://alhambra.kopanramen.com/uploads/files/56077926933.pdfIn PDF document text
- http://www.aportecnica.com/imagenes/editor/file/vopogepikusowol.pdfIn PDF document text
- https://psg66.ru/admin/ckfinder/userfiles/files/14425861860.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/82994908101.pdfIn PDF document text
- https://rougezenekar.hu/files/file/linisuzofon.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_off0000d4bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4BB | 17164 bytes |
SHA-256: 51f7fb27b0cdb6b8954a338591391771f4c488b378eca68e0d8e5c89bcc9aa18 |
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font_01_sfnt_off000100c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D9 | 10404 bytes |
SHA-256: ca0093f8dd2b0c22469316d2ed7d1394754f163262ac07b443bcd73368779512 |
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