PDF malware analysis — malicious · e4617e83f6a406d2

MALICIOUS

PDF

76.7 KB Created: 2021-03-17 15:40:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 45677ea831d5da008771a8dca7e6dac2 SHA-1: 2955ed23d1be0136aa91bad7bbeba3dc71547b89 SHA-256: e4617e83f6a406d2f247d7a3e896f6d018d13aecd2509512ec0795e94fe6795d

196 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a cracked game launcher, which is a common lure for phishing and malware distribution. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document likely instructs the user to download a password-protected archive, a technique used to bypass gateway security. ClamAV also detected this file as a phishing trojan.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 6

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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://nipisod.ru/strik?utm_term=gta+v+3dm+launcher+crack
- https://wurilulisewanid.weebly.com/uploads/1/3/4/7/134728532/1576138.pdf
- http://niwagiw.22web.org/whatsapp_status_saver_for_pc.pdf
- https://cdn.sqhk.co/fedugaxoloz/XQUXjaM/water_line_amazon.pdf
- https://cdn.sqhk.co/dimowitop/dlKYO3p/50839774343.pdf
- http://dofukatejipoz.66ghz.com/cache_2005_movie.pdf
- https://cdn.sqhk.co/zisubiziwu/hchehc3/theatres_yakima_wa.pdf
- https://gituwelogasof.weebly.com/uploads/1/3/2/8/132814340/9041348.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/fizaxo/guardian_university_guide_2018_engineering.pdf
- https://uploads.strikinglycdn.com/files/34753987-3ad9-43dd-8b38-10c62d92ac07/kitchenaid_pro_600_bowl.pdf
- https://s3.amazonaws.com/sabegokek/how_to_get_certified_as_a_nutrition_consultant.pdf
- https://uploads.strikinglycdn.com/files/a540902a-5b23-4804-b1c5-161b160b23d6/51632806248.pdf
- https://s3.amazonaws.com/bupaxomu/android_notification_example.pdf
- https://uploads.strikinglycdn.com/files/1b548121-bc7a-4b47-902a-6b16fb60a57a/32517797820.pdf
- http://sevetise.rf.gd/derechos_humanos_en_mexico_telefono.pdf
- https://s3.amazonaws.com/zoromexemuzid/jukemumojugaxajivut.pdf
- https://uploads.strikinglycdn.com/files/86b9512f-ba9b-4a8e-82c7-0219dbe773c5/metallica_nothing_else_matters_bass_lesson.pdf
- https://s3.amazonaws.com/jugobimuraje/xesijixuzugovipoba.pdf
- http://fidisibi.epizy.com/57762973649.pdf
- https://s3.amazonaws.com/waxegatulo/lateness_warning_letter_templates.pdf
- https://s3.amazonaws.com/wajibile/85099547225.pdf
- https://s3.amazonaws.com/nafibanefexex/kijolazesil.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_off0000ec41.bin` `c48c1205fb9960f6df33c9e2038bbe597a0a12e9cdd5c58916b759f14499dacc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEC41	5320 bytes
`font_01_sfnt_off0000fe37.bin` `5066f1b8e7c16283cca1c4ef6c9a6d5b9ec4adceb840985eba37e8d4c605a70b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFE37	11568 bytes

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