PDF malware analysis — malicious · 92ec495fddafff32

MALICIOUS

PDF

73.5 KB Created: 2021-02-20 21:44:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: 505db1987085ada2ac97d3b8e98a70a0 SHA-1: a194bb14f14a51e044cdf7f9259f7eb4edbbb9fe SHA-256: 92ec495fddafff3225bc3f0d1b39a27b92188ce4d9dca1bb00ac7d985bab7a1a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that mimics a search result, likely intended to trick the user into clicking it. While no scripts were directly extracted, the PDF structure and embedded URI suggest a phishing or credential harvesting attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://baarspo.ru/aws?utm_term=who+will+play+jack+reacher+on+amazon PDF link annotation
- http://matrixbicycles.com/hp_laserjet_pro_400_color_m451dn_maintenance_kitbi1bz.pdfIn PDF document text
- http://ipai.online/gexulamanesavekt8pb.pdfIn PDF document text
- https://cdn.sqhk.co/zesonixiv/geKBgiB/53049344541.pdfIn PDF document text
- https://cdn.sqhk.co/numavagoko/mjqiggc/15305684655.pdfIn PDF document text
- https://cdn.sqhk.co/pezolaje/fgfqvhM/lalos.pdfIn PDF document text
- http://baugroup.info/goat_simulator_all_golden_trophies_goat_city_baykq4qj.pdfIn PDF document text
- http://levantemosaic.com/family_monthly_budget_planner_software_freeklfpl.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/petikamov/bourns_trimpot_3296_datasheet.pdfIn PDF document text
- https://s3.amazonaws.com/vezumobigodub/trails_to_walk_at_night_near_me.pdfIn PDF document text
- https://s3.amazonaws.com/bewibiwat/numerical_ability_test_with_answers.pdfIn PDF document text
- https://s3.amazonaws.com/jemisajoda/nepidudalanogofas.pdfIn PDF document text
- https://s3.amazonaws.com/mibiwivanetuj/newexatugetexizuxusabegel.pdfIn PDF document text
- https://s3.amazonaws.com/pegek/nagivesin.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_off0000e1ad.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE1AD	5392 bytes
SHA-256: `64a0510eb8df5d24b1e5f95e88e1a78c4bec0d6050dddadfc12d05f6099a4744`
`font_01_sfnt_off0000f3ff.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF3FF	10868 bytes
SHA-256: `13f8c9e6337d84565695bae2a553e2d3a1015c76e30b7a975216ed1e92a612d9`

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