MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The 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 external links, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of 'utm_term=cracked+instagram+followers+apk' in one URL indicates a potential lure for social media-related scams.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://huntic.ru/uplcv?utm_term=cracked+instagram+followers+apk PDF link annotation
- https://bczenekar.hu/files/file/xopovo.pdfIn PDF document text
- http://malifer.hu/upload/file/xigepejelobon.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/48739557961.pdfIn PDF document text
- https://marcvandewiele.com/userfiles/file/15694210086.pdfIn PDF document text
- http://pes.edu.mn/ckfinder/userfiles/files/tigogumariwilinejig.pdfIn PDF document text
- http://thegioimercedes.com/upload/files/367375651.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-8/20210908204518625052.pdfIn PDF document text
- http://gsemilia.it/userfiles/files/77464269453.pdfIn PDF document text
- http://toyotacri.com/userfiles/files/renowuwakus.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/161393c7a8ce3e---61435198284.pdfIn PDF document text
- http://miroslaws.com/ckfinder/userfiles/files/safubidojixub.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613301936958d.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/93370110366.pdfIn PDF document text
- http://scarpatti.com/files/gulomubaribusar.pdfIn PDF document text
- http://njchemland.com/upload/files/23240846457.pdfIn PDF document text
- https://wonkingchina.com/d/files/21105221161.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137fe0061067---gilexasudiluminasun.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/43cfcb5976c8e474f773cc757de89e25/65879807539.pdfIn PDF document text
- http://hueide.com/upload/files/50632049692.pdfIn PDF document text
- https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/jufaxogiwevugudali.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613edf64a9403---61290105297.pdfIn PDF document text
- https://cauthinh.com/luutru/files/xifolovasumig.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/nazuzuzasomudadupadut.pdfIn PDF document text
- https://micsys.in/userfiles/file/74955303255.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_off0000d6a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6A6 | 17208 bytes |
SHA-256: 078af76ad8aa67c765f1a91b0bf1eaa977d14ebbb3d6f14cdbc631ce956b6950 |
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font_01_sfnt_off00010344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10344 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B5B | 11172 bytes |
SHA-256: 136b80df12c04170c6075dbfdfd9ed58766c7177a43afb203ae52abd2dc5c231 |
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