MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains embedded URLs pointing to suspicious domains, including one that appears to be a link farm designed for SEO manipulation. The document body, though heavily obfuscated, suggests a lure related to an 'exam schedule', aligning with common phishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://trafffe.ru/123?utm_term=ap+exam+schedule+2014
- https://bafonalilazuxi.weebly.com/uploads/1/3/4/7/134731076/501722.pdf
- https://minedikatew.weebly.com/uploads/1/3/0/7/130739540/mabubovepewi-tetenu.pdf
- https://cdn-cms.f-static.net/uploads/4453560/normal_5fd6814a7d42f.pdf
- https://cdn.sqhk.co/pegidago/jGhfgc9/marco_s_pizza_garden_pizza_bowl_nutrition.pdf
- https://tadeganerusoza.weebly.com/uploads/1/3/1/4/131438541/modapubetop_fujele_dikujujesasekug.pdf
- https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/susapo.pdf
- https://polurivi.weebly.com/uploads/1/3/4/9/134904590/a2e34842b763.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/bejexe/ethos_pathos_logos_defined.pdf
- https://uploads.strikinglycdn.com/files/d67a82b4-babc-408f-b7ef-0094ab2ac39f/gallery_apk_for_android.pdf
- https://s3.amazonaws.com/didowugorokirug/beneteau_oceanis_350_owners_manual.pdf
- https://uploads.strikinglycdn.com/files/05ab61a4-fa7e-4b6a-9cb1-4440ace815e9/ruins_of_bthalft_map.pdf
- https://s3.amazonaws.com/dobesogum/dubivepamage.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d80d.bine23c1a980bedc91c6eba10f98785516c89e421a22c4c48223ea3656ad6d51b62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD80D | 5688 bytes |
font_01_sfnt_off0000eb51.bin23f4560683acc3f614b306873a1d49b5735e2f56db43fe1548ff48a415e44cb5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB51 | 10144 bytes |
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