PDF malware analysis — malicious · cdadd14b9fdec606

MALICIOUS

PDF

71.5 KB Created: 2020-12-25 22:28:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: f30ffde9107c002620c23c8074892156 SHA-1: 035d76846f6392044c0d32da52deebc5b78cb536 SHA-256: cdadd14b9fdec606d6386b5bb2e68cd1a9ca846e962399571fa0336618468427

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ggtraff.ru'. This URL is presented as a lure for live Telugu TV channels, indicating a phishing or scam attempt. The ML classifier also strongly flagged this PDF as malicious, and ClamAV detected it as a phishing trojan. No scripts were extracted, but the primary attack vector appears to be directing users to the malicious URL.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://ggtraff.ru/strik?utm_term=live+telugu+tv+channels+app+for+android
- https://cdn-cms.f-static.net/uploads/4426080/normal_5fa0b297e42bc.pdf
- https://cdn.sqhk.co/favejofu/RgiLhi8/6674398532.pdf
- https://cdn.sqhk.co/bidubuwawi/haicFha/invaders_synonym_definition.pdf
- https://gotunodik.weebly.com/uploads/1/3/4/6/134608857/sipavilaxo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/memul/container_dimensions_metric.pdf
- https://s3.amazonaws.com/wajibile/met_gala_2004.pdf
- https://s3.amazonaws.com/jakujakula/54706698616.pdf
- https://uploads.strikinglycdn.com/files/83f7d906-e9ef-4cf6-b305-26ebe6384014/central_new_jersey_escort.pdf
- https://uploads.strikinglycdn.com/files/c3b5eac9-c644-40fe-9451-8c24d0bbca92/jatonagasaginini.pdf
- https://uploads.strikinglycdn.com/files/ff321992-d3ea-408a-a8db-5e00608fe95d/insurgent_veronica_roth.pdf
- https://s3.amazonaws.com/xufaxoferugod/85152943136.pdf
- https://uploads.strikinglycdn.com/files/b4e88c07-7bd6-4d56-a3ad-9ded1cca5852/16316677719.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_off0000db93.bin` `6486d1ecaafcca60f2550dfbade1648a3f4d0094f1981b03f3f2671da37d0645`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDB93	5416 bytes
`font_01_sfnt_off0000ee08.bin` `be7211bacb58f0bb32dd81f4cf63972398389cc12e7e00f29184b299278ed5d0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE08	10404 bytes

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