PDF malware analysis — malicious · 74109047ff384e5b

MALICIOUS

PDF

72.9 KB Created: 2021-01-13 16:52:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: c217e902096ec70bc48c940f580bde9f SHA-1: ee7a7eeba98f35a0d552caac4cfd7984e764cbea SHA-256: 74109047ff384e5bd936b54c2b4bd7c5e4267d4ec6541852d60b7cfc0cd31eed

104 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF with a high ML classifier score and ClamAV detection, indicating malicious intent. It contains an embedded URI pointing to a suspicious URL, likely for downloading a payload. The presence of a 'download button' heuristic further supports the lure-based attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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://traffnew.ru/wb?keyword=offroad%20outlaws%20money%20mod%20apk PDF link annotation
- https://cdn-cms.f-static.net/uploads/4403270/normal_5fd86ec2d4282.pdfIn PDF document text
- https://cdn.sqhk.co/xopigotax/Wzejfhd/xerobixuritimajofer.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410702/normal_5fdf0ebddf32f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402032/normal_5fd1d3dc275bc.pdfIn PDF document text
- https://cdn.sqhk.co/vumulevezuf/bwAh8if/dixaxumofefixu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426974/normal_5fcbd6ad167d1.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/bewibiwat/pdf_to_dwg_converter_online_converter.pdfIn PDF document text
- https://s3.amazonaws.com/xulepiwa/58218820904.pdfIn PDF document text
- https://s3.amazonaws.com/dozore/zarikebe.pdfIn PDF document text
- https://s3.amazonaws.com/fejatepudopito/gasoritigavajagajili.pdfIn PDF document text
- https://s3.amazonaws.com/juliziwojatige/97951103159.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_off0000e118.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE118	5472 bytes
SHA-256: `14fcf5822dc46a220265fd1ff8a25d7774bd986b72427e0f26ae4bf3ad7e0cd4`
`font_01_sfnt_off0000f3b6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF3B6	10308 bytes
SHA-256: `d2c4aa6aabfc049637d086483a57fdb46cabfedf704ee436d7710785d861fb84`

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