PDF malware analysis — malicious · d52a1d48de03ceda

MALICIOUS

PDF

66.5 KB Created: 2021-02-13 06:49:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16

MD5: 0853face379aa56efadad2c3fed34404 SHA-1: 260b4fa23fd35dc743c58340a95ce0592a907fc3 SHA-256: d52a1d48de03ceda5ad8fc967caf0ef83100b646b455efb4376c373e89761ee9

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document identified as malicious by ML classifiers and ClamAV. It contains an embedded URI pointing to a suspicious domain, which is likely intended to lure the user to a phishing or malware distribution site. The document body and metadata also contain references to this URL, reinforcing the phishing attempt.

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://baarspo.ru/123?utm_term=body+by+jake+hip+and+thigh+machine PDF link annotation
- https://static.s123-cdn-static.com/uploads/4451563/normal_5ff64cd8a5292.pdfIn PDF document text
- http://nout-prodat.site/avg_free_for_android2zo7t.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489061/normal_600df85930b99.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459170/normal_5ff93931cb584.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421627/normal_601c787d17c95.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375896/normal_5fe1402a15f89.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482847/normal_5fcea49d0e260.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407784/normal_601d3dd391e77.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/takurugilij/kusudeveriwavuko.pdfIn PDF document text
- https://s3.amazonaws.com/guxosa/57631505120.pdfIn PDF document text
- https://s3.amazonaws.com/befarekogol/9607097567.pdfIn PDF document text
- https://s3.amazonaws.com/bidurudilidujug/98797551337.pdfIn PDF document text
- https://s3.amazonaws.com/dufekifaral/dowuvavedisu.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_off0000c582.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC582	5612 bytes
SHA-256: `7d80177e9dba844fb2f217ff8c3f13fdcdee8a16f49948e09b3eb9a5679d89af`
`font_01_sfnt_off0000d88c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD88C	10796 bytes
SHA-256: `676c52386369a6ea23b46ea0f1ad3d5f3bacff0887436981169ce9ff05972c1f`

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