PDF malware analysis — malicious · 45ccc5d46de1caa5

MALICIOUS

PDF

71.7 KB Created: 2020-11-24 14:40:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: fe90ca2e909f60465528de5d3eb51bcc SHA-1: b44d832d6aee679c723ee75197eb6b08279be55d SHA-256: 45ccc5d46de1caa5b17af67575c04db45d7b573593e1429d11e73e8554c0a9c0

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that masquerades as a 'Wahl hair clippers manual' to trick users into visiting a malicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. No scripts were extracted, but the presence of an external URI and the document's deceptive content point to a phishing attack.

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://trafftec.ru/123?utm_term=wahl+hair+clippers+manual PDF link annotation
- https://cdn-cms.f-static.net/uploads/4490953/normal_5fb34e5268ca4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402737/normal_5f937a82bbea9.pdfIn PDF document text
- https://raxuzorufureraw.weebly.com/uploads/1/3/0/7/130775378/vomazidajoposorojoj.pdfIn PDF document text
- https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/jovifigote_vijal_xomen_sazibujokol.pdfIn PDF document text
- https://lejiwukepefi.weebly.com/uploads/1/3/4/4/134467113/3858680.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407303/normal_5f9d106d4d58c.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/cb4a0ecb-95b5-4e4d-9839-1a55a03b59e9/forge_of_empires_guild_treasury.pdfIn PDF document text
- https://s3.amazonaws.com/sagotomagin/87001688802.pdfIn PDF document text
- https://s3.amazonaws.com/xidulumexi/facebook._com_app.pdfIn PDF document text
- https://s3.amazonaws.com/padoragog/nypl_staten_island_maps.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_off0000dae4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDAE4	5188 bytes
SHA-256: `2006a4600e8afd9d44112fcf6fd7e3d409676380ac24c08599e70b675284fe01`
`font_01_sfnt_off0000ec68.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEC68	10960 bytes
SHA-256: `2582613c7d8ab31a89b714132c4b8d1f76a00850058dd9f753cc6eed55f2dd44`

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