MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristic analysis revealed that the PDF contains a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
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://irlanc.ru/uplcv?utm_term=android+example+app PDF link annotation
- http://heaig.org/editor/ckfinder/userfiles/files/70973492687.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/2304956565.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/ledizarawobiwidunedewuji.pdfIn PDF document text
- http://youil.org/userData/board/file/susejegowifakon.pdfIn PDF document text
- http://bilcafe.it/userfiles/file/58156860679.pdfIn PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/rovedaz.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e5c41a10c---7432792408.pdfIn PDF document text
- http://zagazzo.com/userfiles/file/ralimep.pdfIn PDF document text
- https://plasy.com/uploads/file/66843784600.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/052ed87494c8cb6e365e7bd2250b2259/70252961259.pdfIn PDF document text
- http://chongros.com/userData/board/file/20653049847.pdfIn PDF document text
- https://10kshot.com/customerinterview/ckfinder/userfiles/files/ratumewudomamub.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/1995868816.pdfIn PDF document text
- https://used-machinetools.ro/app/webroot/files/userfiles/files/8114387787.pdfIn PDF document text
- http://wideanglepackaging.com/ckfinder/userfiles/files/11358783664.pdfIn PDF document text
- https://mysilo.com/upload/ckfinder/files/86408017375.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6c8dd89ef---13824745588.pdfIn PDF document text
- http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/18687849975.pdfIn PDF document text
- http://pho32shabu.com/uploads/files/24879203305.pdfIn PDF document text
- http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_18_21_36_40_6505.pdfIn PDF document text
- https://zahrek.com/userfiles/file/11798035502.pdfIn PDF document text
- http://magiepourenfants.com/images/mediamanager/file/94344564118.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/78302796458.pdfIn PDF document text
- http://becucci.it/userfiles/files/pipavuremi.pdfIn PDF document text
- http://secoinblock.com/upload/files/90777699209.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/9312703d4ebec29da2034d827b434f6c/84337159176.pdfIn PDF document text
- https://maisonforville.be/documents/file/59204606220.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161363d58f3200---33151283414.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_off0000f057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF057 | 10372 bytes |
SHA-256: 331014e3c0b6923f0cf64072114e4b4b1ea03968eb4adabdcbdd19edfcda0aef |
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font_01_sfnt_off000107ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107AB | 17288 bytes |
SHA-256: dc66b4d7c32f9d4b545cea4d5717613888f30a91963373768cc5fdae0c32d2be |
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font_02_sfnt_off0001344a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1344A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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