MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to external websites, many of which are hosted on disposable domains. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a high likelihood of this document being used for phishing or to distribute malware. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 5
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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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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://queure.ru/uplcv?utm_term=fun+unblocked+games+66 PDF link annotation
- https://chambredhotes-savoie.com/ckfinder/userfiles/files/4303562609.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/71659233880.pdfIn PDF document text
- http://seatraveltx.com/uploads/files/loziluw.pdfIn PDF document text
- https://starfoil-mail.nl/uploads/wysiwyg/38784000783.pdfIn PDF document text
- http://dhf-china.com/d/files/kofalozilifodixuramawa.pdfIn PDF document text
- http://chinasoftcore.com/userfiles/file///bunujevivexifimu.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210917_80A23A827F8F72F5.pdfIn PDF document text
- http://allycatering.com/userfiles/6419531205.pdfIn PDF document text
- http://thuduchouse.vn/pics/file/xubejibapa.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021091917263751.pdfIn PDF document text
- https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/10083126907.pdfIn PDF document text
- http://huzatfokozo.hu/editor_up/61565054391.pdfIn PDF document text
- http://checopharma.com/upload/files/wuzopuzokotomuvemibes.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614887bb94ae7---nokulisinubizafokoruwilu.pdfIn PDF document text
- http://christopherdallo.com/file/safexetejawevele.pdfIn PDF document text
- https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/19275042326.pdfIn PDF document text
- http://wernitznigg.at/files/4058051223.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/89792773106.pdfIn PDF document text
- http://grafiport.com/userfiles/file/finole.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210923172436.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/kidt84hm1u0fr4kon8um7eopk2/komodotavut.pdfIn PDF document text
- http://smartpaintingplus.com/userfiles/files/vaxijupurezugezovimerifad.pdfIn PDF document text
- http://steakclubhn.com/campannas/file/tozekugoje.pdfIn PDF document text
- https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/68958713582.pdfIn PDF document text
- http://nincity.de/inline/file/fajolowaxumiz.pdfIn PDF document text
- http://urbancollab.com/userfiles/Proj_Name/files/kasekej.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_off0000b539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB539 | 10900 bytes |
SHA-256: 461ec6d07bc4df2ceca8d8619602cbcdc1a22b26859551c6fbafb9993e764847 |
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font_01_sfnt_off0000ce35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE35 | 16012 bytes |
SHA-256: 4b0f98d00af04729b07528044a40727922fc1aab5cdacad9e2a8d87133296cdc |
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font_02_sfnt_off0000f73c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF73C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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