PDF malware analysis — malicious · 97e38ed5a76daa0e

MALICIOUS

PDF

70.5 KB Created: 2020-12-07 08:35:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 2f47c78ca4ce50e28fdbe8de8cd8f2ce SHA-1: 1138ace4e16851bb3900e43354e804d6e65d0013 SHA-256: 97e38ed5a76daa0efbf5e438048e572ed6e8917b9f0191461b56100dff53095f

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a heuristic firing for an external URI pointing to a suspicious domain, and the document body text suggests a lure related to 'Dnr fishing report'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the presence of an external URL is a primary indicator of compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://trafffe.ru/aws?utm_term=dnr+fishing+report+mn
- https://static.s123-cdn-static.com/uploads/4379221/normal_5fca5b242ada4.pdf
- https://static.s123-cdn-static.com/uploads/4387932/normal_5fcbe6f2e46a1.pdf
- https://cdn-cms.f-static.net/uploads/4402944/normal_5f94a87cc247b.pdf
- https://cdn-cms.f-static.net/uploads/4426830/normal_5fa16f0ca5587.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/jijari/wavelet_denoising.pdf
- https://static1.squarespace.com/static/5fc5c6ec2bbd74065827f47b/t/5fc9da0852b5874c8592bf1a/1607064072982/web_video_maker_software_free_download.pdf
- https://static1.squarespace.com/static/5fc2987e405d5340f3347daf/t/5fc8b3f4217b3604ede2c824/1606988790467/uber_black_mexico_requisitos.pdf
- https://s3.amazonaws.com/mawesenasijoser/quantitative_aptitude_tricks_free.pdf
- https://s3.amazonaws.com/rimejiguvif/gawavimuvunezusufesan.pdf
- https://s3.amazonaws.com/vunizi/lodge_combo_cooker.pdf
- https://s3.amazonaws.com/fosagobomap/mr_pancho_in_lebanon_tn.pdf
- https://static1.squarespace.com/static/5fc302a66b97992eb569afe6/t/5fc41d2e1972c46e3c1ec061/1606688047990/80205631997.pdf
- https://static1.squarespace.com/static/5fbfd2c30b6b03258f2f7c3b/t/5fc2607bf3de5e49b5b17247/1606574203281/duwewige.pdf
- https://static1.squarespace.com/static/5fc0f769ec917750a3d83c85/t/5fc1d354f81c9a2a0ce4fe8e/1606538075104/falisezabufubebubiwut.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_off0000d958.bin` `963fb754207661d9fec0dc94a49eb43100d5c717ca1c9b6641cbbe19aef79815`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD958	5072 bytes
`font_01_sfnt_off0000ea83.bin` `febbd97161810934970b54a7c4c7a6829dbab39092f56b53b0016f90e3f38a6b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEA83	10220 bytes

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