PDF malware analysis — malicious · 85861a30643fc012

MALICIOUS

PDF

61.7 KB Created: 2020-12-21 19:53:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12

MD5: fb22e77853e985993ba95ec9d3a6d882 SHA-1: 110f4fc91d803393cb9f2c9bf488a028171221bb SHA-256: 85861a30643fc01246e91b6578643d36702b235f00d56d69f594045f8abc807f

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a heuristic indicating an external URI, which points to a suspicious URL. This URL is likely part of a phishing attempt to lure users into clicking on it. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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://trafficel.ru/strik?utm_term=fruit+slicing+machine PDF link annotation
- https://cdn-cms.f-static.net/uploads/4476946/normal_5fbee97cd77ce.pdfIn PDF document text
- https://tureduritisamo.weebly.com/uploads/1/3/4/6/134676104/winemosanisu-gusemanazox-zagan.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412396/normal_5f97c4f690c45.pdfIn PDF document text
- https://zavegaligap.weebly.com/uploads/1/3/4/4/134499553/dadc91b53.pdfIn PDF document text
- https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/5c8067d7.pdfIn PDF document text
- https://gitufigekuxos.weebly.com/uploads/1/3/4/6/134634758/niviju_tawobefig_kejapitufaz_kozuwoma.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc0c3aad26ff1194f72fc70/t/5fc10826eaf37e3b64c05029/1606486063583/23000294800.pdfIn PDF document text
- https://s3.amazonaws.com/sukedil/11814438573.pdfIn PDF document text
- https://s3.amazonaws.com/buxoparadazegu/gospel_choir_songs.pdfIn PDF document text
- https://s3.amazonaws.com/juxatop/white_sewing_machine_model_1418_manual.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc29260bf71053ccb1ac1c5/t/5fc3e1993c02f22b9d845903/1606672795356/the_sellout_paul_beatty_free.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_off0000b3db.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB3DB	5168 bytes
SHA-256: `7600ba38e3691a370cf30ca069b467b4093a73b6ecead55fc5211cc85f8f79ca`
`font_01_sfnt_off0000c543.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC543	10996 bytes
SHA-256: `9be2e3d9f9b2c7315303a88bedd3763fbc454b0112bdca7e527e0962d5b284c3`

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