PDF malware analysis — malicious · e12e06ce89f4e51d

MALICIOUS

PDF

69.7 KB Created: 2020-11-13 08:59:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 22e57c4eb0cbbeab4f0bab7e85f68aa9 SHA-1: eaf9f38c97b56a5fffcf4014d2e467cf68cffd11 SHA-256: e12e06ce89f4e51d692e8551caf8a81fedfcfe4261b5911648e4b5db043912f7

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://gettraff.ru/123?utm_term=analisis+de+operaciones+tolerancias+y+especificaciones'. This indicates the document's primary purpose is to lure the user to a potentially harmful website. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://gettraff.ru/123?utm_term=analisis+de+operaciones+tolerancias+y+especificaciones
- https://cdn-cms.f-static.net/uploads/4415291/normal_5f98d0bce70b5.pdf
- https://cdn-cms.f-static.net/uploads/4383923/normal_5f8df4b601769.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/sasufufa/aiims_bsc_nursing_entrance_exam_syllabus.pdf
- https://s3.amazonaws.com/gogoxowiniza/super_kamagra_review.pdf
- https://s3.amazonaws.com/sefiwegegagu/legal_seafood_seaport_boston_ma.pdf
- https://uploads.strikinglycdn.com/files/b28d507d-bf35-46cf-afc6-53a4ed9a4476/wixuwamogele.pdf
- https://uploads.strikinglycdn.com/files/c33b7465-4e00-4254-b652-d940e927b82d/exercicios_de_ingles_food_and_drink.pdf
- https://s3.amazonaws.com/rezugekolaba/fetal_blood_circulation.pdf
- https://s3.amazonaws.com/risisipajole/tediwufofuginevutonit.pdf
- https://uploads.strikinglycdn.com/files/78d45842-c28d-4713-94d9-4b83ac9ae5b2/nepojoneromakelawamapeg.pdf
- https://s3.amazonaws.com/megodipewukitoj/kuramataje.pdf
- https://uploads.strikinglycdn.com/files/6a453960-0db5-4b00-839b-16301a864151/tepavunoxanum.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_off0000d345.bin` `457491ebbb4a312c56b7c125f15d65c742f8b6705eee187e546d8eebc0f45466`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD345	5240 bytes
`font_01_sfnt_off0000e537.bin` `7ba03f45b6bad80723ea1c4b72ddd3a6f6bdf0cb5f2dc4ad35c5c10b920390cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE537	10680 bytes

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