PDF malware analysis — malicious · 007f67b6a14d755f

MALICIOUS

PDF

67.4 KB Created: 2020-12-18 14:11:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 9a3699944abf4edfc4607d1df641c0f2 SHA-1: 99701082e8d66f0c80a6341f6b630bc890c6a08b SHA-256: 007f67b6a14d755f497ba2229177cd5ccc727f5abc576f1eab773759bbbcc717

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as a malicious PDF by multiple heuristics, including a critical ClamAV detection and an ML classifier. The embedded URL points to a suspicious domain, likely for phishing purposes. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site, aligning with spearphishing tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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=what+is+key+informant+interview+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4486772/normal_5fc91d0c6cea8.pdfIn PDF document text
- https://dubasatipin.weebly.com/uploads/1/3/4/4/134459773/6856128.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489247/normal_5fb254aa48d84.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369775/normal_5fb324de2e2b4.pdfIn PDF document text
- https://powagexufofuw.weebly.com/uploads/1/3/4/7/134748875/sasomovataber-guzusinaxafuj.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4415951/normal_5fce40d9b1da0.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/metakibeme/slope_intercept_form_definition_algebra.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5064cc6d96458363c8a09/t/5fc8f11271db9d554d4de913/1607004434329/19289674585.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2ce956f-0600-4143-a935-282c5b436d3d/jiwivamakoz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c816e58c-b7a0-4d4d-b2a4-64fec08c68b1/68421689853.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_off0000cb48.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCB48	5580 bytes
SHA-256: `ca459d2d8a28b0846fff32083e4ea26aa2f5855373fbfbdc4c53300dc9dd3561`
`font_01_sfnt_off0000de3b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE3B	10052 bytes
SHA-256: `eab172ef4afc0ca2dbb7610782738251a71d5de592c80c4f1684fe2bc43f629a`

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