MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous external URLs, including a link farm on disposable hosting, suggests a phishing or malware distribution campaign. The heuristic 'SE_DOWNLOAD_BUTTON' further supports the idea that the document is designed to trick users into clicking a call-to-action, likely to download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://infrive.ru/uplcv?utm_term=how+to+make+snapchat+camera+better+android PDF link annotation
- http://fsf-vastroad.com/userfiles/file/28161533027.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/82673650346.pdfIn PDF document text
- http://adec-interiors.net/Uploads/file/24766165058.pdfIn PDF document text
- http://mosme.org/uploadfile/files/34758949215.pdfIn PDF document text
- http://metaglas.kr/userData/board/file/zikebogumas.pdfIn PDF document text
- http://rc-modeller.se/images/file///junisewenolez.pdfIn PDF document text
- https://bayihoki99.com/contents/files/gemotosojem.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210909014910447.pdfIn PDF document text
- http://icltindia.in/userfiles/file/15175465866.pdfIn PDF document text
- https://palet-school.com/files/files/laguvifeja.pdfIn PDF document text
- https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/93084453765.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613d79a5107d8---98015663318.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/16141be55b0805---24239014499.pdfIn PDF document text
- https://testpensija.bankai.lv/ckfinder/userfiles/files/lulexajuruvolajate.pdfIn PDF document text
- http://gerocuki.hu/user/file/37370459229.pdfIn PDF document text
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/62795906384.pdfIn PDF document text
- http://xn--brneneskontor-landsforening-b0c.dk/userfiles/file/tisolefodafugujidubomika.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/bokemejolaf.pdfIn PDF document text
- https://abisspaandboutique.com/nbloom/fckuploads/file/voxudufufopidevokagikese.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/28927794843.pdfIn PDF document text
- http://ondamarinarest.com/upload/files/46523039501.pdfIn PDF document text
- https://iieng.org/editor/ckfinder/userfiles/files/66550721083.pdfIn PDF document text
- http://denprokhorov.ru/images/file/32957708079.pdfIn PDF document text
- http://mgbig.com/upload_fck/file/2021-9-9/20210909235022540741.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_off0000d4bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD6 | 11040 bytes |
SHA-256: f38c04d8ad278318c4ca5e8c6c80d2f5c876ae8910494f0485b6707fc1e1b52a |
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font_02_sfnt_off00010621.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10621 | 19284 bytes |
SHA-256: 3689f001aee4a1588601a8a2e740d5dd76d032ece817c8cc6d6df05b3776633a |
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