PDF malware analysis — malicious · 022888b554f8d247

MALICIOUS

PDF

72.8 KB Created: 2020-11-24 15:17:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31

MD5: c89326202fff476edfb0c98bb1ff340a SHA-1: 17b9efd13cdbf3afccd3e7bd4a51cd42ef789698 SHA-256: 022888b554f8d247efa50c0d1ade537f3215eabc4ae6c78f97d3a73137790e27

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'trafffi.ru', which is likely used for phishing or to download a secondary payload. The document body, though heavily obfuscated, suggests a lure related to a play summary, consistent with social engineering tactics.

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://trafffi.ru/123?utm_term=you+can%2527t+take+it+with+you+play+summary PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/genedesowul/wogunu.pdfIn PDF document text
- https://s3.amazonaws.com/pazifetanegapu/95600443674.pdfIn PDF document text
- https://s3.amazonaws.com/dapekufoxiraku/random_potion_effect_generator.pdfIn PDF document text
- https://s3.amazonaws.com/jozetej/assessment_center_fhrungskrfte.pdfIn PDF document text
- https://s3.amazonaws.com/bisazabe/65699118493.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5e4e3a9-778c-4ee0-a553-5c15628d94af/mifudurumoxurexu.pdfIn PDF document text
- https://s3.amazonaws.com/guwutivupudutu/48204743779.pdfIn PDF document text
- https://s3.amazonaws.com/rekorewexidiwo/fraud_risk_management_guide.pdfIn PDF document text
- https://s3.amazonaws.com/dorulusof/gefafonekenibokoda.pdfIn PDF document text
- https://s3.amazonaws.com/niwotipugonuvoz/fefijok.pdfIn PDF document text
- https://s3.amazonaws.com/ganubatebedoxez/final_fantasy_sonic_x6_hacked.pdfIn PDF document text
- https://s3.amazonaws.com/laradusa/michigan_sat_test_dates_2020.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_off0000dcf2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDCF2	5428 bytes
SHA-256: `76dcae55b24681ef88352dd57a52d6cc26989793a6057c32de1fbacd4a66fbe4`
`font_01_sfnt_off0000ef5e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEF5E	11888 bytes
SHA-256: `f431ce6e7949bf05cc76973db8bc30077549a6115cd751a68c83e4efab2464e4`

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