MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious intent. The presence of numerous embedded links, many pointing to unknown or potentially malicious domains, suggests a phishing or malware distribution campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically highlights the use of link farms on disposable hosting, reinforcing the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 5
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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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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 http://nebovsem.ru/app/webroot/files/files/44747761957.pdf In PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/c05523303563469331d61a9cb9ff0037/kuvejezoripigogizumi.pdfIn PDF document text
- http://www.parinet.fi/tiedostot/files/14738709402.pdfIn PDF document text
- http://mn-print.ru/ckfinder/userfiles/files/taderuvalixas.pdfIn PDF document text
- http://realcomfort.ru/content/upload/file/10137127982.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/38356789052.pdfIn PDF document text
- http://turatabor.hu/media/girapag.pdfIn PDF document text
- http://colantuono.it/userfiles/files/vumixotuvimigesesodikepu.pdfIn PDF document text
- http://drthchowdary.net/userfiles/file/46025638523.pdfIn PDF document text
- https://weddingitaly.jp/images/file/goforedozes.pdfIn PDF document text
- https://ajambary.com/userfiles/file/vulemukuzatalubililisafal.pdfIn PDF document text
- https://pavillonwohlen.ch/userfiles/files/93077295314.pdfIn PDF document text
- http://agriturismolataggiasca.eu/userfiles/files/31392929367.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2021090516233219.pdfIn PDF document text
- https://eastmangroupllc.net/ckfinder/userfiles/files/79350188916.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/20838110354.pdfIn PDF document text
- https://dnsbp.com/all4help/fckuserfiles/file/5479829977.pdfIn PDF document text
- https://lesura.net/userfiles/file/37591763097.pdfIn PDF document text
- https://liho.cz/UserFiles/File/fesiwotonosi.pdfIn PDF document text
- http://njchemland.com/upload/files/59081032400.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16136e78f0c533---6061978281.pdfIn PDF document text
- http://tindangnhadat.vn/upload/files/sakirinasovefakizojene.pdfIn PDF document text
- http://eia-edu.com/userfiles/file/81148229093.pdfIn PDF document text
- https://poolpoint.be/uploads/file/xadiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=file+harvest+moon+ppssppPDF link annotation
- 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_off0000c857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC857 | 18016 bytes |
SHA-256: 76664c6f06860c151c1338c978f577ec90c0225324660e784a07afb577cf4953 |
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font_01_sfnt_off0000f72d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF72D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F44 | 10560 bytes |
SHA-256: 82b8cf3d586f3c64e9e1687927411a2d629e7493e1401a07087470a422d96ced |
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