PDF malware analysis — malicious · 8976442ebc10e705

MALICIOUS

PDF

85.5 KB Created: 2021-04-16 23:58:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25

MD5: 6c3f445a52df76c616de03145086e343 SHA-1: 3e8fa5d925bfcaaec76e129fce626c453fdabc6b SHA-256: 8976442ebc10e705cb06831b974812c4137c1caaa050101351d9c9970b7a4d6c

126 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains an embedded URI that redirects to a suspicious domain, likely for phishing or malware distribution. The document body, though heavily obfuscated, appears to be a lure related to common technical support issues. The presence of numerous external links and the ML classifier's high confidence score indicate malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

Heuristics 5

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 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://ponafet.ru/strik?utm_term=why+is+my+panasonic+tv+remote+not+working PDF link annotation
- https://cdn.sqhk.co/koditisalupe/IrHXjem/pupoguwigipixem.pdfIn PDF document text
- https://cdn.sqhk.co/wibetaxor/ojhbhIE/company_of_heroes_movie_free_download.pdfIn PDF document text
- http://rankingcoach-seo.com/33212908454dlfx6.pdfIn PDF document text
- https://jikuwizavu.weebly.com/uploads/1/3/4/8/134873999/6429795.pdfIn PDF document text
- http://phrensy.co/summoners_war_codes_2020_for_ios06bl7.pdfIn PDF document text
- https://xitetufiwirisax.weebly.com/uploads/1/3/4/0/134041449/86091ff69d57b.pdfIn PDF document text
- https://cdn.sqhk.co/xizefonuma/0ieRjeh/bivilused.pdfIn PDF document text
- http://dizewut.22web.org/cannon_safe_customer_service_phone_number.pdfIn PDF document text
- http://sodalabs.club/23025902716wy1wp.pdfIn PDF document text
- http://tisigetid.iblogger.org/bharathiar_university_mba_books_free_download.pdfIn PDF document text
- http://gsmall.space/yamaha_01v96_v2_firmware_updaterhhzg.pdfIn PDF document text
- http://podcard2020.site/what_do_i_need_to_get_my_learners_permit_in_mississippiskhq3.pdfIn PDF document text
- https://zewujinewototi.weebly.com/uploads/1/3/4/7/134749630/xuziwobaregin.pdfIn PDF document text
- https://gezifizisosuvul.weebly.com/uploads/1/3/6/0/136050083/b08fc400.pdfIn PDF document text
- https://werevofapopaja.weebly.com/uploads/1/3/4/4/134492388/3b65bffa658667c.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/gezejoputiwinu/62728282853.pdfIn PDF document text
- https://s3.amazonaws.com/xuxifuzituwu/template_calendar_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/380c8dc0-7846-4591-b307-f28e24b2b4bf/vamuditiwiwawidadidejoba.pdfIn PDF document text
- http://matasup.rf.gd/elements_of_music_3rd_edition_answer_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc12106e-057d-44f0-8282-a327907d2d7c/83044852174.pdfIn PDF document text
- https://s3.amazonaws.com/wiwuxot/zuvalifutubijapavovinomo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59b16314-bd01-41c1-8ba0-e8f08544fd03/nezuwakuvekomoguzed.pdfIn PDF document text
- http://xeziredo.epizy.com/what_are_the_characteristics_of_descriptive_writing.pdfIn PDF document text
- https://s3.amazonaws.com/warapagefasovi/how_to_write_good_copy_for_a_website.pdfIn 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_off0001003a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1003A	5436 bytes
SHA-256: `0706c3ccf8c48b812bef60526f23532309d945e4f05daa2661bab0d01978a7fa`
`font_01_sfnt_off000112a7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x112A7	11556 bytes
SHA-256: `73f2bebb0c3bdd906bed5628294494e8a8e4efe329b5e96fc850d543bafc8e84`
`font_02_sfnt_off000139cf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x139CF	4324 bytes
SHA-256: `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`

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