PDF malware analysis — malicious · 6c8c9e70dc5fc7c1

MALICIOUS

PDF

61.1 KB Created: 2021-06-01 17:05:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 012a3da42c91f6b2d44554d88298a729 SHA-1: 7da72652f7a21605e1704c34797c18f64f38ae26 SHA-256: 6c8c9e70dc5fc7c1274488b74e4d71e14655a4d5348933d8146bad86493e0a7e

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous embedded URLs, many pointing to link farms and potentially malicious domains, as indicated by the 'PDF_SEO_LINK_FARM' and 'ML_NYX_PDF_MALICIOUS' heuristics. ClamAV also detected it as a 'Pdf.Phishing.Trojan'. The document body, though heavily obfuscated, appears to be a lure related to scheduling Uber rides, suggesting a phishing or social engineering pretext. The presence of embedded URLs strongly suggests an attempt to redirect the user to malicious sites, likely for further exploitation or credential harvesting.

Machine Learning

Nyx PDF Classifier malicious score 0.9916

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://philabc.ru/pbw?utm_term=how+to+schedule+an+uber+with+multiple+stops
- https://jigurojo.weebly.com/uploads/1/3/5/3/135321607/e2da45b.pdf
- https://static.s123-cdn-static.com/uploads/4484375/normal_5ffa2e6d4359f.pdf
- https://xopaluwejur.weebly.com/uploads/1/3/1/8/131857284/3df7cb2f6fe2.pdf
- https://cdn-cms.f-static.net/uploads/4407085/normal_60669c8369404.pdf
- https://joxobupapi.weebly.com/uploads/1/3/1/4/131454586/8686345.pdf
- https://kisuwirabavaruz.weebly.com/uploads/1/3/3/9/133999170/9b4ef650f61d90.pdf
- https://mamunazeve.weebly.com/uploads/1/3/0/8/130814121/2807228.pdf
- https://static.s123-cdn-static.com/uploads/4409421/normal_6009a8b52e8f5.pdf
- https://static.s123-cdn-static.com/uploads/4486745/normal_5fc92bb86ab69.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/682697af-242b-46ec-a9b9-cc0ee52a4751/vonotijaladisu.pdf
- https://uploads.strikinglycdn.com/files/523c43bf-dbe7-49b1-a69e-5e31debb0bd8/fiteniwuwem.pdf
- https://uploads.strikinglycdn.com/files/7b7b9eea-5468-475f-912a-3c73ff6dbdfc/vizio_36_2.1_sound_bar_system_setup.pdf
- https://uploads.strikinglycdn.com/files/500cedd3-d253-40fb-be28-3ae14efc2cc6/what_is_t_mobile_cellspot.pdf
- https://uploads.strikinglycdn.com/files/a570b96c-5db7-41a8-a9e7-d97cf52af432/what_does_igf_1_lr3_do.pdf
- https://uploads.strikinglycdn.com/files/bb08539f-b639-4dd8-bbf1-57a1b19ff09a/72787877244.pdf
- https://uploads.strikinglycdn.com/files/69d151b2-10e0-490e-bb35-2a97cd33343e/89285368498.pdf
- https://uploads.strikinglycdn.com/files/2fa73e86-99db-4c4c-b78f-b6fc5eb1d44a/trigonometric_identities_exercises.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e585.bin` `1484298350fd940c19e3d1d23df7029cc631d198b450562e6c76b9a26568a77c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE585	5504 bytes

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