PDF malware analysis — malicious · 7a579a0b8ee9b9ab

MALICIOUS

PDF

73.7 KB Created: 2020-12-21 17:54:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: 0f1785c2ecf47baaf058ee97ed8b3a85 SHA-1: aa45a21a22101662b0900604688ca2964d10389d SHA-256: 7a579a0b8ee9b9abe40da6b76bbf49445bf5a458597c3126e0df1d280f18c3ce

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that directs to a suspicious domain, likely intended to host a phishing page. The document body, though heavily obfuscated, contains text related to a 'neighborhood credit union', reinforcing the phishing lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9983

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=neighborhood+credit+union+mesquite+phone+number PDF link annotation
- https://cdn-cms.f-static.net/uploads/4489428/normal_5fbac76444325.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e46116af-7c31-4e31-ae65-7b2623691623/deadpool_2_online_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c1bf14f-53d8-4166-82f9-2e6a26f46147/valaxuje.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/779594e7-c768-40f3-b286-e8739dcd6211/the_game_rules.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b7e821f-e160-46c7-8adc-ebbd1bf59fc0/48259978911.pdfIn PDF document text
- https://s3.amazonaws.com/fonazuzixagizir/monroe_shock_cross_reference_e_catalog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd5e30b4-fc9f-466c-aed8-f3cf50fe9a5d/70762999061.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a028cd46-2272-489e-8e72-256954c5c3db/66087436617.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0659b790-4573-421f-b900-3387d6313e07/46523167972.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_off0000e32c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE32C	5480 bytes
SHA-256: `b7ebc3fd456a8e0633b6688ac2268c854b9381866d635a387017df3ceb21d252`
`font_01_sfnt_off0000f5a3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF5A3	10624 bytes
SHA-256: `b73a9f5023fb78fb1c43f9aaf0e57a47d4d32028fc507ca0d680ed185bba7bb4`

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