MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan PDF. It contains numerous embedded URLs, many pointing to compromised WordPress sites and disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics and link farm indicators further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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=android+stream+deck PDF link annotation
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135ccf4ddc57---54907042816.pdfIn PDF document text
- http://dolphinkorea.com/files/files/2633980998.pdfIn PDF document text
- http://tsnpharma.com/upload/files/tasekemili.pdfIn PDF document text
- https://gabinetpro.pl/kosmetyczka/krakow/files/94290597017.pdfIn PDF document text
- http://www.sushmitamukherjee.com/fckimages/file/dilotar.pdfIn PDF document text
- https://www.elshandmadedesign.nl/ckfinder/userfiles/files/78876378402.pdfIn PDF document text
- http://codienlanhtrangia.com/Images_upload/files/87451310539.pdfIn PDF document text
- http://thegioixedap.net/upload/files/luraj.pdfIn PDF document text
- http://kunmobile.vn/files/uploaded/20210904/file/bevazimazajap.pdfIn PDF document text
- http://www.niceresidence.net/image/upload/File/86543208518.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/46nfu82slho9ga31g5oitf24um/sukefifuguxojulabevoxatof.pdfIn PDF document text
- http://espaciocultivarte.com/ckfinder/userfiles/files/dawafonot.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/menetujilafidomofevoram.pdfIn PDF document text
- http://bakoca.hu/files/file/madezuvefopidibenet.pdfIn PDF document text
- http://ncdesign.it/userfiles/files/pomurivifefekirerufu.pdfIn PDF document text
- https://rippa.pt/files/file/61622761631.pdfIn PDF document text
- http://objets.immoweiss.lu/userfiles/files/gokulisufevorumoki.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161347dcd3f551---50332753641.pdfIn PDF document text
- https://telliogluhukuk.com/userfiles/file/xoxonamijofifur.pdfIn PDF document text
- http://geo-equipe.it/userfiles/files/pifawedeziruninujinowu.pdfIn PDF document text
- http://lifebeachvilla.com/uploads/image/files/79273024467.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_off0000b5b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cdcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDCB | 16428 bytes |
SHA-256: c2a816624d6c8a2341f945e83d748d74c645794101e940c04542dd0e43729b4d |
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font_02_sfnt_off0000f834.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF834 | 10556 bytes |
SHA-256: 01a6d510d3c39a86e4c7afebce02c218afa4f36e62c4b1080ce17561ad67a1c9 |
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