PDF malware analysis — malicious · 2218064b6d73f860

MALICIOUS

PDF

57.6 KB Created: 2020-12-04 06:36:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e8d00a9cf810f2459b360794694fcca3 SHA-1: 85c66f67331ee7760a9a301c3dff872beb21cf23 SHA-256: 2218064b6d73f8607c608bd399640791f1b36c604b2c48bdf46c45229203ffd9

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains an external URI pointing to 'trafftec.ru/aws', which is likely part of a phishing lure or a download site. The document body, though heavily obfuscated, suggests a lure related to a 'Gujarati attitude status app'. The presence of numerous external links, some benign and some unknown, further supports a link-farming or redirection scheme.

Machine Learning

Nyx PDF Classifier malicious score 0.8253

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
External URI info PDF_URI

PDF contains an external URL action
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://trafftec.ru/aws?utm_term=gujarati+attitude+status+app
- https://pusobufuronuwu.weebly.com/uploads/1/3/4/4/134475569/savozesikilo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static1.squarespace.com/static/5fc78d8be9133927d90f7fcb/t/5fc90b21a998cf1e2500bba7/1607011106450/flying_bird_silhouette_drawing.pdf
- https://s3.amazonaws.com/zufaxepixiguxax/blue_bloods_episode_guide.pdf
- https://uploads.strikinglycdn.com/files/05223376-72f6-452c-8b7d-12870713c58d/payment_receipt_template_word.pdf
- https://uploads.strikinglycdn.com/files/02d38891-ca6f-48b1-b076-9176330f3ea2/75276796512.pdf
- https://static1.squarespace.com/static/5fc0ec6c8787e879896c16ae/t/5fc2b81e2dd96f591847e2ad/1606596638814/64539992679.pdf
- https://uploads.strikinglycdn.com/files/3d040ac9-e7f9-4518-b2d5-40fd91b8a585/73616841753.pdf
- https://s3.amazonaws.com/lekizopiloref/63507745659.pdf
- https://s3.amazonaws.com/voxulija/68479018199.pdf
- https://s3.amazonaws.com/gafedupeba/relegation_definition_in_soccer.pdf
- https://static1.squarespace.com/static/5fc5481cbd14ff0dd2b9860e/t/5fc87cc2dcb5b260797d75e3/1606974658738/9466772849.pdf
- https://s3.amazonaws.com/fasanag/file_b_li_font.pdf
- https://uploads.strikinglycdn.com/files/5146c9eb-e49e-4447-bec7-d1d0f754247b/wesagevudidaxilevunimik.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf12e2c6de34c7a37bda2/1606218030929/howard_university_transfer_gpa.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf92664be903ae63ffe4d/1606220074021/nra_foundation_mission_statement.pdf
- https://static1.squarespace.com/static/5fc0c8f51452f90b7fe4c8fc/t/5fc270dd61e25426e186aac6/1606578398295/annotated_bibliography_chicago_style_purdue_owl.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c8f0.bin` `9fbbbaf88e8df9ece3190b6e94fe96740e35dbbcdc2ac10b0de65272c49b83cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC8F0	5028 bytes

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