MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a phishing or malware distribution campaign. The embedded URLs, such as 'https://irlanc.ru/uplcv?utm_term=sufiyum+sujathayum+songs+mp3+download+masstamilan', are likely used to redirect victims to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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=sufiyum+sujathayum+songs+mp3+download+masstamilan PDF link annotation
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/up26l16hkvju0u0vqqlsatqvha/24536793916.pdfIn PDF document text
- https://es21sys.com/userfiles/file/veributegepovenusunak.pdfIn PDF document text
- https://pepinieramontana.ro/ckfinder/userfiles/files/lifan.pdfIn PDF document text
- https://fgcrubochi.com.ng/ckfinder/userfiles/files/77967491064.pdfIn PDF document text
- http://waxiangyuan.com/upload_fck/file/2021-9-30/20210930171329385520.pdfIn PDF document text
- https://laatuwhuisweerstralen.nl/upload/file/19745041098.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee8b340c44---41950924691.pdfIn PDF document text
- http://creativecoms.net/userfiles/file/92086542318.pdfIn PDF document text
- http://kimhoatra.vn/upload/fckimagesfile/22259960752.pdfIn PDF document text
- http://dkind.net/userData/board/file/70906277956.pdfIn PDF document text
- https://mobspace.xyz/web/img/podborky/files/77525458291.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8eaa5cc06---2007769257.pdfIn PDF document text
- http://recit-de-vie.fr/userfiles/file/40041624625.pdfIn PDF document text
- http://kovospm.cz/fotky/file/nadun.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16139f7d09e21b---kekelikig.pdfIn PDF document text
- http://nelly-design.ru/upload/files/36274110992.pdfIn PDF document text
- http://hotelalbicia.com/userfiles/file/jatitovebukijinomitelubo.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///nuruforelovadezupezedavu.pdfIn PDF document text
- https://hobbyschuurtje-webwinkel.be/images/userfiles/file/peximiwepo.pdfIn PDF document text
- https://acrgroup.nl/userfiles/file/94671932391.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_off0000aaa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAA6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c2b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2B8 | 14708 bytes |
SHA-256: 998775926277eb77c844bcc05ec2f7f391715190f4b11c18789ba19e118d31c6 |
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font_02_sfnt_off0000e78e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE78E | 11388 bytes |
SHA-256: 3836da04aad7ba834cdc2cc18f026d151d0b0a55ac98057662f5e076c4cf3ed4 |
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