PDF malware analysis — malicious · 40ffce095868cc6c

MALICIOUS

PDF

73.0 KB Created: 2021-01-15 06:28:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02

MD5: 89e342351d527e4db37ad4b83da17aea SHA-1: 7bbf4bd4d1f585fb53b26a30c1b43c47d9e57f3b SHA-256: 40ffce095868cc6c4d6501e546eedd1a5558e4b2d47449424538dbfee10a34c5

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were extracted, the presence of an external URI and the overall detection suggest a phishing lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://traffnew.ru/aws?utm_term=consumer+reports+washing+machines+2016 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4393028/normal_5fe2ede97ca60.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486994/normal_5fec221a1f718.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392854/normal_5f9c2b65a91f9.pdfIn PDF document text
- https://cdn.sqhk.co/fovudadeweto/jiQShdL/vector_2._0_robot.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420752/normal_5fe8d51a1fb83.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4389805/normal_5fdf9fd97cd5c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366642/normal_5faeff255cde4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374840/normal_5f91d4eeaeb7a.pdfIn PDF document text
- https://cdn.sqhk.co/sebixodof/8idwjaN/cookie_helix_smash_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369922/normal_5f96e4f08b4e9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368244/normal_5f8984fe232e5.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/winumigutam/88628449904.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_off0000df97.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDF97	5792 bytes
SHA-256: `f56dd06618acb589461e912764b0c5db46e27a2e18d09f89948b3ec265ca6031`
`font_01_sfnt_off0000f339.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF339	10692 bytes
SHA-256: `49209ea08e6be9813b920a19bd3e3143ffe09711206812abbad7b89614fca5c5`

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