PDF malware analysis — malicious · 3e4253a1851f0798

MALICIOUS

PDF

86.2 KB Created: 2020-11-23 21:43:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: b2642f422bb4368d489ba597a64cd6a3 SHA-1: d85480c6433f61d3b2a49cd8307bbc4b8b921143 SHA-256: 3e4253a1851f07987b8ca9be3c84e0c1ce108a122498b79f22e206a7cea4d369

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-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://trafftec.ru/strik?utm_term=neighborhood+center+definition PDF link annotation
- https://cdn-cms.f-static.net/uploads/4467936/normal_5fbb33037bee7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371791/normal_5f92e136f3766.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384822/normal_5f907bbf8ae28.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367921/normal_5f980aeec52e9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384029/normal_5f8c148ea4e52.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446773/normal_5fa164135e749.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407576/normal_5fb80df674783.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/wisuw/runikisusagok.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77f5d76d-81ab-4ed7-9e36-f212439d76e8/wadovaguju.pdfIn PDF document text
- https://s3.amazonaws.com/vokeri/95445844165.pdfIn PDF document text
- https://s3.amazonaws.com/divelatoxa/wutugodexasore.pdfIn PDF document text
- https://s3.amazonaws.com/metakibeme/alliteration_worksheets_for_4th_grade.pdfIn PDF document text
- https://s3.amazonaws.com/vedexajawo/70274226166.pdfIn PDF document text
- https://s3.amazonaws.com/bewibiwat/pufinoxumuborapowefubigab.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_off000116cf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x116CF	4972 bytes
SHA-256: `2acc2838da2b83f29a52475ed6cef361be687db43be71bafdc2336c5c4c64644`
`font_01_sfnt_off000127bc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x127BC	10496 bytes
SHA-256: `f7581b34b950024c3b6030a124308b36e866a420d5f17f88986a063cd1b4100b`

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