Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbade47bdde8c0ba…

MALICIOUS

PDF

66.6 KB Created: 2021-02-19 12:36:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 446dedcf6c15de15c386c186237baea1 SHA-1: 3091dddbb65baa0decc1b3d3db85b10688c6fc38 SHA-256: bbade47bdde8c0ba203d473ab4970078f47cf1bdc42555b595b6da70c883940c
186 Risk Score

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://maypoin.ru/wix?keyword=font+generator+tattoo+calligraphy PDF link annotation
    • https://cdn.sqhk.co/vixukose/eAHhd2a/galaxy_alien_shooter_hack_apk_download.pdfIn PDF document text
    • https://fanuxerejupu.weebly.com/uploads/1/3/1/3/131398214/6772f0f3f91c.pdfIn PDF document text
    • https://cdn.sqhk.co/ziloteduxemo/Gfoig2j/89265919014.pdfIn PDF document text
    • http://zipogagu.iblogger.org/97843199596.pdfIn PDF document text
    • https://rejukikigukaw.weebly.com/uploads/1/3/5/3/135387704/vinibipopusoka.pdfIn PDF document text
    • https://jebopisozezir.weebly.com/uploads/1/3/0/7/130739828/xemibapirol.pdfIn PDF document text
    • https://fefumuvujudadi.weebly.com/uploads/1/3/1/6/131606087/bfe56.pdfIn PDF document text
    • https://cdn.sqhk.co/gepeduvo/ZQtuwlG/4137457606.pdfIn PDF document text
    • http://frut-tree.site/zefaximisigisasuzst66d.pdfIn PDF document text
    • https://madoguwulivusi.weebly.com/uploads/1/3/0/7/130775056/719e5273aaad9e.pdfIn PDF document text
    • http://jozarizotugi.22web.org/which_is_the_best_calorie_counting_app.pdfIn PDF document text
    • https://gumopokexu.weebly.com/uploads/1/3/0/8/130814161/8777958.pdfIn PDF document text
    • http://coolstudent.space/android_recyclerview_adapter_get_item_positionfxsmj.pdfIn PDF document text
    • https://cdn.sqhk.co/vibisidumes/Lid8jcG/townsmen_6_1._2._4_mod_apk_download.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://magivaxinel.rf.gd/vipigi.pdfIn PDF document text
    • http://xetonuvabogo.rf.gd/sawuxujagakovika.pdfIn PDF document text
    • http://sesugemedolaf.rf.gd/agora_2009_full_movie.pdfIn PDF document text
    • http://tipunogat.rf.gd/27317071101.pdfIn PDF document text
    • http://lipesomidu.epizy.com/aaru_songs_ringtone_free.pdfIn PDF document text
    • http://kediditu.rf.gd/format_a_bootable_usb_mac.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c8fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC8FD 5076 bytes
SHA-256: f1f590810dae256257f674508db9842281906e911d7c7aea4cbdebcaf081bf98
font_01_sfnt_off0000da4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA4C 10104 bytes
SHA-256: 0cc6b32a857b7b3508b3da2c8c81ef8b9d65421b4cf6d0a9ce3e110435469fbf

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