MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to external websites, many of which appear to be disposable hosting for PDF files. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a deliberate attempt to create a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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 https://catamma.ru/uplcv?utm_term=what+to+write+in+email+subject+when+sending+resume+for+job PDF link annotation
- http://sangiorgioautoservizi.com/userfiles/files/42804827175.pdfIn PDF document text
- http://poddertradingandindustries.com/userfiles/file/85314853849.pdfIn PDF document text
- https://successalpha.team/upload/files/13107787524.pdfIn PDF document text
- https://www.hotelrestaurantmacarena.fr/ckfinder/userfiles/files/73282082934.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1614fa88250f25---76694669496.pdfIn PDF document text
- http://playeasypiano.com/resources/fck_images/nizebixasip.pdfIn PDF document text
- http://zsmnowakowski.pl/userfiles/file/26609411512.pdfIn PDF document text
- https://maytinhdalat.vn/images/uploads/files/72582475592.pdfIn PDF document text
- https://gtijsr.com/userfiles/file/6179286534.pdfIn PDF document text
- http://didopack.com/files/dibud.pdfIn PDF document text
- http://standardamulet.com/files/files/watibekito.pdfIn PDF document text
- http://www.velkoobchod-man.eu/ckfinder/userfiles/files/41736299939.pdfIn PDF document text
- http://lollanaclinic.com/image/upload/File/76089147145.pdfIn PDF document text
- http://evolutionchonburi.com/userfiles/files/98762443449.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/86a58068e9b9343b320761e421617048/81462344857.pdfIn PDF document text
- http://africareview.in/userfiles/file/58568866812.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/dutopuxumukid.pdfIn PDF document text
- http://redactron.com/userfiles/file/99692865536.pdfIn PDF document text
- http://scsychem.com/upload/files/40568069854.pdfIn PDF document text
- http://michael-dhom.com/webseiten/file/jogojupunipizen.pdfIn PDF document text
- http://unitekinfostructures.com/userfiles/file/puzuvagadagusebikilodubu.pdfIn PDF document text
- http://nghiencuuykhoa.com/uploads/userfiles/file/debuzo.pdfIn PDF document text
- http://noithattamphuong.com/upload/files/56346369702.pdfIn PDF document text
- https://keralatemples.info/ckfinder/userfiles/files/miruvevogefibovivexes.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_off0000af91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF91 | 16788 bytes |
SHA-256: 144c885211693b4c1bc3abd27e4e0caa9303d1aa1c4ded0c643fdbce5f61fcc7 |
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font_01_sfnt_off0000da3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA3E | 11372 bytes |
SHA-256: 47a4c469860a66ab9ab294e859f447b656538cee8e42b810c274b3efafa6a5fe |
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font_02_sfnt_off0000f4a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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