PDF malware analysis — malicious · c2ed58c07d074998

MALICIOUS

PDF

65.4 KB Created: 2021-01-23 12:15:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 1a702e0271f8440155f71748faa753c4 SHA-1: 2c0a2ff54a3b028cf7a61907e90d21d6c67db9bf SHA-256: c2ed58c07d074998cb81b71fa878e9b1f305bd796b6fb65526a8b01e8224041b

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document that contains an embedded URL pointing to a suspicious domain, likely intended for phishing or malware distribution. ClamAV detection and ML classification strongly indicate malicious intent, specifically identified as a phishing trojan. The document body, though heavily obfuscated, contains references to 'album free' and the authoring application, suggesting a lure to entice users to click the malicious link.

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://traffking.ru/aws?utm_term=andreas+gabalier+album++free PDF link annotation
- https://perepori.weebly.com/uploads/1/3/4/0/134016710/2fdd5005100.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450156/normal_5ff5ed2441b60.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420764/normal_5fd22b1f9fc06.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445325/normal_5fecf3960eaf2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487191/normal_5fd0a21087ff0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460946/normal_600b8fdeddf76.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lezujepadu.rf.gd/green_colour_flowers_free.pdfIn PDF document text
- https://s3.amazonaws.com/vabemavuputenif/26878229528.pdfIn PDF document text
- https://s3.amazonaws.com/lotibabakuj/47465973592.pdfIn PDF document text
- http://wafubarig.epizy.com/green_lantern_2_movie.pdfIn PDF document text
- https://s3.amazonaws.com/kifutizijebuj/business_card_font_size_guide.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_off0000c414.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC414	5356 bytes
SHA-256: `6efe6452ea42fe16fa32296f25138408dba366b72d22388a32181de50ecc358c`
`font_01_sfnt_off0000d631.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD631	10480 bytes
SHA-256: `9ddcb1e0d514b3757b963db26624f4d8e8196099f3e084473eaffa92cddbfb1a`

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