PDF malware analysis — malicious · 02917137576b2bd9

MALICIOUS

PDF

77.1 KB Created: 2021-03-28 08:58:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: a80011f0a0d8c624b00a7645c8b4328f SHA-1: 13ae1595e109bce20cdc1d5b7251eeedc67c91ab SHA-256: 02917137576b2bd90a0e538fe3cfcbef6c38e3f0b12b3e6b4742b6bbfb3d1b45

186 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, many pointing to disposable hosting, suggesting a link farm designed to drive traffic to potentially malicious sites. The primary URL, 'https://jumiwimov.ru/123?utm_term=gta+online+gunrunning+money+guide', is presented as a guide but likely leads to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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://jumiwimov.ru/123?utm_term=gta+online+gunrunning+money+guide PDF link annotation
- https://static.s123-cdn-static.com/uploads/4365525/normal_5fcfa3eabd36d.pdfIn PDF document text
- https://cdn.sqhk.co/jifigetuxu/fAgc5ig/barrett_jackson_scottsdale_2021_schedule.pdfIn PDF document text
- https://cdn.sqhk.co/nejibija/hhehjsd/amazon_fire_tv_stick_3rd_generation.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418788/normal_5ffbe12b02da6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490364/normal_602c66bfb93af.pdfIn PDF document text
- https://cdn.sqhk.co/xejokenu/eJgelhh/43549600593.pdfIn PDF document text
- https://cdn.sqhk.co/dofexoxev/Ihehhfw/color_pencil_maker_factory_craft_colorful_pens.pdfIn PDF document text
- https://cdn.sqhk.co/ruxuvedije/iaShfp0/olympus_digital_voice_recorder_software_for_windows_7.pdfIn PDF document text
- https://cdn.sqhk.co/tinipuded/Khchbia/the_walking_zombie_2_zombie_shooter_hack_apk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470699/normal_5fda94782d493.pdfIn PDF document text
- https://cdn.sqhk.co/vivokunavu/hiarjeT/jazz_free_internet_check_code_2020.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/dapekufoxiraku/bayliner_ciera_2455_swim_platform.pdfIn PDF document text
- https://40ba1f7a-6e91-49bb-bbb8-dfbb40a2bc60.filesusr.com/ugd/22bf55_b6dd54835f55432d8f51847911256f3f.pdf?index=trueIn PDF document text
- https://04a80c79-134c-446e-801b-0c1635678e59.filesusr.com/ugd/5cebf8_9bd79532987840ff8a790e305dcd31a6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kubedukowug/prepositions_exercises_with_answers_for_class_10_icse.pdfIn PDF document text
- https://c370dac7-4848-4fa0-a6df-94361299e8ba.filesusr.com/ugd/fa6303_d93002cb0e784161880765365e839fac.pdf?index=trueIn PDF document text
- https://f4a80ce2-0a24-44e2-aff7-13c87a434ee9.filesusr.com/ugd/ace063_505c1be5adac4e66a5c68b9d72d544c9.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e2a5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE2A5	4984 bytes
SHA-256: `94b572297ce1a07769231b7bedc88e96aa6f499d343ddb8484555f07965de02b`
`font_01_sfnt_off0000f387.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF387	11232 bytes
SHA-256: `fab3007430fe80ef7ea4b1cef4c4c886536477b619181629b0fcb7b9fd164146`
`font_02_sfnt_off00011974.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11974	4324 bytes
SHA-256: `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`

Open this report in the interactive analyzer, or submit your own file for analysis.