PDF malware analysis — malicious · 1c032a0b9e45d551

MALICIOUS

PDF

86.8 KB Created: 2021-03-09 11:19:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 2e2b156d00cb3c0e24f478256d9d6f28 SHA-1: 90955a66b024a7b65ae5e5794dcd948860f0f463 SHA-256: 1c032a0b9e45d551f2f09ae22ffdcd1b582561114bb1268ea11e54ef24a95611

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. Heuristics indicate the presence of external URIs and a machine learning classifier flagged it as malicious. ClamAV also detected it as a phishing trojan. The document body, though heavily obfuscated, appears to be a lure related to a game guide, suggesting a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://golowaki.ru/123?utm_term=star+wars+galaxy+of+heroes+wiki+guide
- https://cdn.sqhk.co/pulazapusaw/S8jhhfz/87243121134.pdf
- https://cdn-cms.f-static.net/uploads/4466680/normal_60470a7d04050.pdf
- https://cdn.sqhk.co/dutudovajud/aXjdiaz/snake_found_in_toilet_texas.pdf
- https://cdn.sqhk.co/kakapoxavu/h9ggeAA/tubemine_unlimited_coins.pdf
- https://cdn.sqhk.co/pafatewodoju/Vhaifib/5349532537.pdf
- https://cdn.sqhk.co/modajili/jhehche/spiralizer_zucchini_recipes.pdf
- https://static.s123-cdn-static.com/uploads/4476580/normal_5fface42aa3ab.pdf
- https://static.s123-cdn-static.com/uploads/4369524/normal_5feca2040c7ab.pdf
- https://cdn.sqhk.co/bitowiso/fFAufqf/24590846915.pdf
- https://cdn.sqhk.co/rekubapapup/hfZicgf/65220945975.pdf
- http://rituralajozeli.iblogger.org/logesivesusokepijexuwex.pdf
- https://cdn.sqhk.co/lewewita/lS84Oid/gipaporugekejavunupiw.pdf
- https://cdn.sqhk.co/kavejufa/fkRhdjg/dagigefexufediwuzet.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://daguvagobilat.rf.gd/lipifakotololi.pdf
- http://xumerapugegivo.epizy.com/didoxokugaxavupefomat.pdf
- http://linexiziretewoj.rf.gd/how_to_reprogram_clicker_model_klik2u.pdf
- http://bulalejovadidov.rf.gd/2922408985.pdf
- http://movafomuwexowix.epizy.com/lakudoz.pdf
- http://vilipenizubawub.rf.gd/88363952285.pdf
- http://ruboratanon.rf.gd/the_end_is_nigh_gamekult.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000111f4.bin` `4219375b5eafffb19b905143f545151f914fcb983b795692d7acfae86972c6a5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x111F4	5600 bytes
`font_01_sfnt_off00012517.bin` `34dba83cc8eb9dbe2698c44144b0ec40d28e05481ef8fa5ca7e48c8fb8e2cf60`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12517	12052 bytes

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