PDF malware analysis — malicious · 85941d968079f527

MALICIOUS

PDF

76.3 KB Created: 2021-03-22 20:13:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c47a571a6deeb8b9de9e47b07a61110f SHA-1: 3edc2a590f0d326d3c987fdda632e7769f607294 SHA-256: 85941d968079f527d4e1b663de000b0a10fcc2eca3c3db40f112f60899a06cc1

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL 'https://botokaw.ru/123?utm_term=airfoil+satellite+android' suggests a phishing or malware distribution lure. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful sites.

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://botokaw.ru/123?utm_term=airfoil+satellite+android
- https://cdn-cms.f-static.net/uploads/4413866/normal_604d03dadb906.pdf
- https://meboropob.weebly.com/uploads/1/3/2/7/132740462/jabasomobodawajemub.pdf
- https://bonavipopugob.weebly.com/uploads/1/3/2/3/132302892/55a304.pdf
- http://chambreapp.xyz/how_to_troubleshoot_your_hp_printerbk3it.pdf
- http://rivozuzeno.mywebcommunity.org/12081903154.pdf
- http://doweryklkq.space/hp_designjet_5000ps_large_format_printers69af.pdf
- https://cdn-cms.f-static.net/uploads/4381085/normal_60217d6d5d743.pdf
- https://static.s123-cdn-static.com/uploads/4406514/normal_6004f40017109.pdf
- http://seomagnat1.online/sesedotenunenutunihkl8l.pdf
- http://dusejetiwogodad.getenjoyment.net/48505576428.pdf
- http://prod-fruit.space/9752062013918a63.pdf
- http://zozamowewideno.mypressonline.com/bank_reconciliation_statement_format_in_excel.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/potamotaz/dandapani_meditation_guided.pdf
- http://burupopevetu.rf.gd/xaliweforirasov.pdf
- http://sodowurivav.onlinewebshop.net/advocare_24_day_challenge_journal.pdf
- http://maxunifox.epizy.com/zokoze.pdf
- https://s3.amazonaws.com/webipejonavuv/does_warrior_fasting_work.pdf
- http://rogofideb.onlinewebshop.net/22._how_many_chickens_would_it_take_to_kill_an_elephant.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_off0000ee4c.bin` `e17f611720ba3da916e44900d33dbadf3b174e37d51426509cdd09d5e2ed88be`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE4C	4892 bytes
`font_01_sfnt_off0000fefb.bin` `616587388c909988b83e389bdaabd8c857c3a74034580f46dfa6ae5e26eaaab2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFEFB	10860 bytes

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