PDF malware analysis — malicious · ddf39744135cfa95

MALICIOUS

PDF

66.7 KB Created: 2020-11-13 15:54:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: de5004940d4ae4f39aaffaa506fa7c98 SHA-1: dd826805c64c6e5791b119bbecb3db479458c376 SHA-256: ddf39744135cfa95da5edd2850ad260993aa23d8306ddaf84e9e28686ac65e69

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://traffset.ru/strik?utm_term=estudio+de+campo+metodologia PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367687/normal_5fa1b564a637d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417216/normal_5f9f07d34e7ed.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474449/normal_5fabd0e7e1ac8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365627/normal_5f8736b6c019a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393638/normal_5fae3df688f15.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/450593a7-0a72-48cf-8517-f01ca9d92265/mega_man_dr._wilys_revenge.pdfIn PDF document text
- https://s3.amazonaws.com/davawina/manual_del_guerrero_de_la_luz.pdfIn PDF document text
- https://s3.amazonaws.com/fajeloninesitel/68450616698.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/15d88d23-b4ef-4534-a81f-efd3dd381df2/buddyman_kick_2_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea738677-9100-4556-ae9a-475d61314841/dbz_dokkan_battle_unlimited_dragon_stones_apk.pdfIn PDF document text
- https://s3.amazonaws.com/savukojubusum/43620848887.pdfIn PDF document text
- https://s3.amazonaws.com/xisefowu/laxefitaparixaxaxudafep.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_off0000c807.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC807	5256 bytes
SHA-256: `b9be39a2169ca250c51dfd63c698a62fd47136f26850d3cd62ebb2025f4b8cf2`
`font_01_sfnt_off0000d9d9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD9D9	10772 bytes
SHA-256: `c12288376083946c2559b5bf70244d88100d73025a02b0802c6e7ec89c10cc99`

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