PDF malware analysis — malicious · 112663b1960b21c2

MALICIOUS

PDF

65.5 KB Created: 2020-11-23 16:55:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b53799ceb0e09bb10e20d690d34fed4b SHA-1: 1705d1a85c3de42993758ad047326c790ef31cb1 SHA-256: 112663b1960b21c206724bf9f1b9cd18ff9fe7ea164ec2bb3fc64af180e74071

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a lure related to a 'Nissan qashqai manual book' and embeds a URL pointing to a suspicious domain. ClamAV and ML classifiers have identified this PDF as malicious, specifically as a phishing trojan. The embedded URL is the primary indicator of compromise, likely leading to a malicious payload or phishing page.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://trafffe.ru/strik?utm_term=nissan+qashqai+manual+book
- https://cdn-cms.f-static.net/uploads/4365552/normal_5f8765b427e34.pdf
- https://cdn-cms.f-static.net/uploads/4369629/normal_5f9ec540cc88b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/ce4ab596-23d2-40fc-b2d3-04d494f195e1/52988630908.pdf
- https://uploads.strikinglycdn.com/files/44c49e92-bc89-44e9-bbf5-202708711344/pse_furnace_inspection.pdf
- https://uploads.strikinglycdn.com/files/c33aca4c-432e-4a1f-b55d-20fce25b5416/53264094815.pdf
- https://s3.amazonaws.com/setaxilitozuko/nawuzo.pdf
- https://s3.amazonaws.com/vibuvomomuv/cellular_pathology.pdf
- https://s3.amazonaws.com/rekawexuretowo/download_mo_creatures_mod_for_minecraft.pdf
- https://uploads.strikinglycdn.com/files/05fc7f9a-17f0-4257-9cbb-bd3361a3d075/nuyasha_kikyo_hentai.pdf
- https://s3.amazonaws.com/muvarelo/28009694402.pdf
- https://uploads.strikinglycdn.com/files/397f451c-d6e5-4d15-a94a-160df54557f9/rabufumekevubapav.pdf
- https://s3.amazonaws.com/radubozufiwo/ademco_vista_20_programming_guide.pdf
- https://s3.amazonaws.com/xilasisefi/45052279348.pdf
- https://s3.amazonaws.com/tiluwisulepam/28347967479.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000b4f2.bin` `986e7e59624ca2e4ac7bb06bc1af9ace3345c5b644c7136ab093667bf15730c2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB4F2	4812 bytes
`font_01_sfnt_off0000c50c.bin` `8cad61546bcbd8dd89ec7c391a318b9e6fe39265ac8805a06ac2cb34a82ebcfc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC50C	11076 bytes
`font_02_sfnt_off0000e9a5.bin` `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE9A5	4324 bytes

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