MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'wastran.ru', which is likely part of a phishing lure. The document body, though heavily obfuscated, suggests a pretext related to curriculum evaluation to entice users to click the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://wastran.ru/pbw?utm_term=what+are+the+types+of+curriculum+evaluation
- https://static.s123-cdn-static-d.com/uploads/4418778/normal_60b1f09379d46.pdf
- https://cdn-cms.f-static.net/uploads/4418556/normal_602b346ac06d5.pdf
- https://cdn-cms.f-static.net/uploads/4491965/normal_604da7c83ee4a.pdf
- https://cdn-cms.f-static.net/uploads/4420589/normal_60136be84afce.pdf
- https://cdn-cms.f-static.net/uploads/4459929/normal_601ae8dbb1e7b.pdf
- https://vazoxavaver.weebly.com/uploads/1/3/4/8/134863882/soboropubodil-wigararobajan.pdf
- https://ligexomapaku.weebly.com/uploads/1/3/4/3/134321337/jisasamuwe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/38ededd3-ca29-439d-a8f0-7fee4ba46fdb/13008147804.pdf
- http://redelaw.pbworks.com/w/file/fetch/144532725/what_type_of_intermolecular_forces_does_methanol_have.pdf
- https://uploads.strikinglycdn.com/files/f7c308a9-5a20-4678-b9a4-b3f8fa225ad0/chicago_manual_of_style_16th_edition_template.pdf
- https://uploads.strikinglycdn.com/files/832d4ea5-b1b1-4357-a666-1aee2fe8b341/navubuditawo.pdf
- http://gupiguna.pbworks.com/f/28718154927.pdf
- http://lulatigono.pbworks.com/w/file/fetch/144537186/fast_and_furious_7_full_movie_in_hindi_free_download.pdf
- http://pakesobiroge.pbworks.com/f/huuuge_casino_jackpot_trick.pdf
- http://tozuxexap.pbworks.com/f/83551818367.pdf
- http://sufizilofab.pbworks.com/f/67030293035.pdf
- http://zusemivak.pbworks.com/f/nexisiwadulidevig.pdf
- http://pugaxigodaka.pbworks.com/f/gijigepij.pdf
- http://jotoxipigi.pbworks.com/f/xaminafafel.pdf
- https://uploads.strikinglycdn.com/files/586c41d0-8f99-4655-98ec-10c4c67ca2e6/22781441762.pdf
- http://dajodovilav.pbworks.com/f/zebepifosumaxoluv.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eafd.bindb6799606e4d440be0d98966675b23890bdd2b03a0f51bde92df40684c511270 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFD | 5312 bytes |
font_01_sfnt_off0000fd01.bin66ee19e1e22c3f2f1bcdee35f1ad3d6b98a61d07b2a843fa9c5a018985177dba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD01 | 10620 bytes |
font_02_sfnt_off00012150.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12150 | 4324 bytes |
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