PDF malware analysis — malicious · 573ca248c2d01659

MALICIOUS

PDF

74.5 KB Created: 2021-03-10 07:02:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 573825babf62ed1f0461b319df9a0e4b SHA-1: bbef326534c2be4b0e7659dc19f67bee86c11812 SHA-256: 573ca248c2d0165982ef00ad11e8801533407737fb277bd838d55c87c443ed44

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI pointing to a suspicious domain, identified as malicious by ClamAV and an ML classifier. The document body, though heavily obfuscated, suggests a lure related to religious texts, likely intended to trick users into visiting the malicious URL. No scripts were extracted, but the presence of external URIs and the high confidence of detection models indicate a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

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://vilenefex.ru/strik?utm_term=similarities+between+the+quran+bible+and+torah
- http://sizuxofutitarax.mypressonline.com/autocad_lt_2020_price.pdf
- https://cdn-cms.f-static.net/uploads/4450048/normal_602c7140338e7.pdf
- https://cdn-cms.f-static.net/uploads/4485321/normal_600e6434dca81.pdf
- http://tetupamino.mywebcommunity.org/dbx_160x_review.pdf
- http://kudikadip.getenjoyment.net/excel_2013_download_mac.pdf
- http://xepidenad.scienceontheweb.net/how_to_build_lap_steel_guitar.pdf
- http://bivisurat.22web.org/dangerous_fellows_zion_guide.pdf
- http://nipokaxa.getenjoyment.net/47385501840.pdf
- http://rebelojujiraw.iblogger.org/jetop.pdf
- https://jemiliwolozeli.weebly.com/uploads/1/3/4/8/134870182/rodulix.pdf
- http://xevusezes.medianewsonline.com/nimevekavarateguta.pdf
- https://dazuvekojuj.weebly.com/uploads/1/3/4/8/134863877/787a6d9.pdf
- https://puwoposujol.weebly.com/uploads/1/3/0/9/130969317/budijuju_xalimalawe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/jijari/aranyakam_malayalam_movie_song.pdf
- https://s3.amazonaws.com/gopuze/ba_exam_date_sheet_2019_punjab_university.pdf
- http://zuriromaruwo.epizy.com/free_simple_loan_agreement_template_australia.pdf
- https://s3.amazonaws.com/kozibowisenatu/totofivarusiwo.pdf
- http://litorow.myartsonline.com/nujaxilikulok.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_off0000e444.bin` `3a427a344416642f9824b7b8342812a6640651695a144f9941c82398225db927`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE444	5528 bytes
`font_01_sfnt_off0000f6e1.bin` `524a779eb050e3bf3a8ea69ce0a866c6196e318903d4be8a252189fbb07e4494`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF6E1	10544 bytes

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