PDF malware analysis — malicious · 0d14082d40011171

MALICIOUS

PDF

69.8 KB Created: 2020-12-18 11:12:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 865f67c580849d730c8bcd574cda37ff SHA-1: 381da94294c629c67b4ff90a00ace2258efe65ea SHA-256: 0d14082d400111714a7deccb48438a9e8e25aa0c62aeeed5f1aba3e85625d459

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ClamAV and an ML classifier, and it contains an embedded URI pointing to a suspicious domain. The document body, though obfuscated, suggests a lure related to 'El evangelio de felipe' (The Gospel of Philip), which is likely a pretext to drive users to the external URL. No scripts were extracted, but the presence of an external URI in a malicious PDF strongly suggests a phishing or malware delivery attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9872

Heuristics 4

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
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://trafficel.ru/123?utm_term=el+evangelio+de+felipe PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/c07e976c-df43-472f-ae2b-8040e9c3d4cb/butemapivenavuxi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ff75186-05fb-44ea-9f74-30021a3b309e/61451750006.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf5fbb7acac6192ab890b5/1606377405438/pepikar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d0c0c104-ea7c-4eab-9d79-7e09540ce36f/67446006699.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/96427178-fa27-414a-8f27-548fa3ba8952/85800032217.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ee5afe1-bbda-4398-9c7a-9dda1da7ef7f/45644067064.pdfIn PDF document text
- https://s3.amazonaws.com/libowebujakux/gibanujarufijabebepiliri.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd05428cb11b25c09d14e8/1606223171758/reds_attendance_2016.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000cfcb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCFCB	4952 bytes
SHA-256: `9ebbc6c81f4488e55790262c7c657c3d7e7d8a25ab0fae4f7dc2e77c273a17b0`
`font_01_sfnt_off0000e0cf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE0CF	12624 bytes
SHA-256: `c9e22235287691a32920fc90eb404442e6f1886dc6757be495ef1e20e1bad7f8`

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