PDF malware analysis — malicious · bdf952b48a950ad0

MALICIOUS

PDF

78.8 KB Created: 2021-03-03 03:09:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 45a8bb2f038dcc690e4cedba521c87ad SHA-1: e04f24a3077948cafeffe9b0b6ae12d7789dcdf7 SHA-256: bdf952b48a950ad0cbf8d1a11cbb606ddb733e8df40f9592c17496bd1c439bc3

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI heuristic suggest an attempt to exploit users through a deceptive link, aligning with spearphishing tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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://jacksth.ru/wix?keyword=what+is+a+carrier+task+group
- http://snail-case.store/bhakti_geet_marathifoioj.pdf
- http://allmedbook.com/xasirogenugw18e.pdf
- http://usesucre.pro/videoder_apk_2019_new_versionj2vcy.pdf
- https://cdn.sqhk.co/zajujinul/iifShbj/46345040627.pdf
- https://cdn.sqhk.co/gulifunanale/cgehbjc/harvest_moon_drive_in.pdf
- http://mevizazivi.22web.org/jufanozuzosuwoxiwavuf.pdf
- http://wowitaly.pro/itil_foundation_4_exam_cost1putt.pdf
- https://cdn.sqhk.co/rarukaboz/jgjei3M/wars_and_battles_quiz.pdf
- https://cdn.sqhk.co/foseziwate/icLQBhc/feripakojumelilivifu.pdf
- http://ultra0.space/1668852081dbanq.pdf
- http://vclean-sale.shop/10888876058i9a48.pdf
- http://xtina.online/ravudatipedajemuf97s2x.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://zasuwunal.myartsonline.com/valujulax.pdf
- http://tewidunutazi.rf.gd/85761154070.pdf
- http://gisesufuxezemud.epizy.com/esophageal_cancer_powerpoint_template.pdf
- https://s3.amazonaws.com/tulosa/66501632004.pdf
- https://s3.amazonaws.com/satuja/wheat_belly_book_in_hindi.pdf
- https://s3.amazonaws.com/fuwuzerijofa/33781754167.pdf
- https://s3.amazonaws.com/vesubodufisi/76841006275.pdf
- https://s3.amazonaws.com/remuv/65485345565.pdf
- http://vitewunidamol.epizy.com/traffic_racer_apk_dayi_indir.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_off0000f659.bin` `e848be7942edf8f9eae3e828bf599e10ecf0022896b9419fda2a64ce9bc1e710`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF659	5240 bytes
`font_01_sfnt_off00010838.bin` `13109f5bf04087a274a228298f3076d74049438fd47836566877bb4ae3161be8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10838	11056 bytes

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