MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating it is a phishing or malware distribution attempt. It contains numerous external links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The PDF's structure and the presence of external links strongly suggest it's used as a lure, likely via spearphishing, to direct users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://coretry.ru/uplcv?utm_term=slow+up+slow+down PDF link annotation
- http://kondicionery-dolgoprudny.ru/upload_picture/file/solafu.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/b9ad94a6f41196f9150b0b918810f79b/1935755916.pdfIn PDF document text
- http://habitat3.eu/userfiles/files/16635738559.pdfIn PDF document text
- http://odumakus.com/uploads/files/sanajezefuxevutupu.pdfIn PDF document text
- http://www.tekkoo.net/images/library/File/57965322522.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a94017252---nagirerinopamaketur.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/db698e74e3e3995c07c7e2098997727b/71346653741.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/tdjsrms6t1eep08pasj1c8ea85/44078812760.pdfIn PDF document text
- http://springhs1988.com/clients/a/a7/a70db2535ed58991dd9724faf9b165d0/File/5919923036.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca06838649c---tukivewozufaboresufep.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb5592b7e4---26048329388.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/41433d22a542945c37d93f8b6e944e56/gofajukixotox.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/mig32uds9qkcvju1lmoj5fksh3/duvuriwix.pdfIn PDF document text
- http://airconbank.com/upload/fckeditor/file/37765676501.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/337989b7e00dc39198fdc5e2f0782edd/motanijunumifogik.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/09bb66c2664edf5429e3dbed0b6fb1de/xipefok.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/kr7dq2d36aagfme51uifkt3fs0/45026372205.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/b77a7a29a0ba80b2369d88e8f79820d4/nesaxalejexebiw.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/bafuvigaj.pdfIn PDF document text
- http://remont-etalon.ru/upload/files/xamonaxiwiworamara.pdfIn PDF document text
- https://terminal.hr/userfiles/file/bediz.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a26d66ec4f4---rukaveligulakon.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/q0ei2r1nqhbuhhukh6k3nn9poh/jukifewunofarogubar.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c00e8c05c---12496184287.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_off0000e5ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5FF | 17832 bytes |
SHA-256: 45943e0b9c7933b2887804dcb5c3cd05bc4dc38ed3c43cfaffe8e06e60118ef3 |
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font_01_sfnt_off00011415.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11415 | 10060 bytes |
SHA-256: 700e5567beb27a1479e7bb258478954d11a0f1099150fcae1128b67c07d5fecb |
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font_02_sfnt_off00012a9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A9D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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