PDF malware analysis — malicious · 97240765efb1ed93

MALICIOUS

PDF

66.4 KB Created: 2020-11-11 15:01:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07

MD5: c19e6ef43907345704a6fbbba5525bb4 SHA-1: 03da0d5f6d6cf1c067f05f1bef64cb534ab9c41f SHA-256: 97240765efb1ed93bff982ffc39af9b19d457c38b0833d2bd2bf0d97ff08870e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing attempt. It contains an embedded URL pointing to 'trafffi.ru', which is likely part of the lure. The document body, though heavily obfuscated, suggests a theme related to collector's guides, reinforcing the phishing pretext.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://trafffi.ru/aws?utm_term=dept+56+collector+s+value+guide PDF link annotation
- https://cdn-cms.f-static.net/uploads/4377679/normal_5f8a738493147.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366362/normal_5f89630f963a8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365541/normal_5f871dcf948b8.pdfIn PDF document text
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/d4e8991b14ea73d.pdfIn PDF document text
- https://fupexorugukemig.weebly.com/uploads/1/3/0/8/130814763/vawedevum-devifuguwem.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/risisipajole/warwick_child_care_cedarville.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ebdb322-c8a1-481d-bef2-c0cd29bb1823/71181019011.pdfIn PDF document text
- https://s3.amazonaws.com/rovuweraja/trail-rite_boat_trailers_california.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f083affa-c8a9-418a-9764-e29167945777/eragon_trn_b.pdfIn PDF document text
- https://s3.amazonaws.com/bisegilupuf/lord_of_the_rings_books_order.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a28322de-b532-4eaa-bb8e-4731c83b5a40/wutedogikutamesesem.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_off0000c563.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC563	5576 bytes
SHA-256: `e73f659712166b5d217ee65f7703c8ef520a27eac380b4f9b1993063636df19f`
`font_01_sfnt_off0000d875.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD875	10768 bytes
SHA-256: `1bb9d3bf516e9a05782f22251cf3d435ff288a3d0d2418a03b63c634fbeb227c`

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