PDF malware analysis — malicious · 6a41765c2ba42f35

MALICIOUS

PDF

69.3 KB Created: 2021-01-10 05:12:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05

MD5: e801bce965fc852866bcae2e10a94470 SHA-1: ef760473e25f58e7455555f9137fdc8c655bc471 SHA-256: 6a41765c2ba42f35d77e76aa9eb77a2554f1d8bb0bd322328f19ce2d18a9c850

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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/123?utm_term=bellflower+unified+school+district+staff+directory PDF link annotation
- https://site-1178035.mozfiles.com/files/1178035/nuvodudetuzaluta.pdfIn PDF document text
- https://site-1168153.mozfiles.com/files/1168153/71255581321.pdfIn PDF document text
- https://cdn.sqhk.co/bavomizobe/cjigdgi/nazan.pdfIn PDF document text
- https://site-1220394.mozfiles.com/files/1220394/nevogufipopuxew.pdfIn PDF document text
- https://cdn.sqhk.co/vixukose/gMl1Zji/61349654329.pdfIn PDF document text
- https://site-1173433.mozfiles.com/files/1173433/14876088171.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366980/normal_5fd07c11e7abe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373768/normal_5f8994eebc14b.pdfIn PDF document text
- https://site-1177563.mozfiles.com/files/1177563/davazaruxasakebomopotel.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/benubapopikaj/siripavolalodokutubezado.pdfIn PDF document text
- https://s3.amazonaws.com/kosipefojaw/tiliruwi.pdfIn PDF document text
- https://s3.amazonaws.com/wefemabeni/64389162169.pdfIn PDF document text
- https://s3.amazonaws.com/nimuwet/customer_complaints_procedure_policy_template.pdfIn PDF document text
- https://s3.amazonaws.com/jijari/96116545409.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_off0000d187.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD187	5352 bytes
SHA-256: `69f3505667455d9274ff5b08dab37d6b6876bdae5f4acb6d36567e34da980684`
`font_01_sfnt_off0000e3d2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE3D2	10660 bytes
SHA-256: `25c55ea9b684e7f1f83369653bb9cbdb52842b84724fed4f7d144504607d2784`

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