Malicious PDF — malware analysis report

Static analysis result for SHA-256 eee59776e95f3726…

MALICIOUS

PDF

69.2 KB Created: 2021-02-13 11:15:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 562a93e4da3d126036a0e02060afbeba SHA-1: 971c15dceeb808765e6e04b07bf4047fb287dac6 SHA-256: eee59776e95f3726a284b8dbc1db9bda27970a74e14630f1ba7b202b28b0e34e
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://yafferge.ru/wb?keyword=form%201310%20court%20appointed%20representative In PDF document text
    • http://wefinexof.iblogger.org/wegugeweko.pdfIn PDF document text
    • http://drnextact.xyz/34025582053auqfh.pdfIn PDF document text
    • http://purigoguwoz.22web.org/regulatory_reporting_analyst_resume.pdfIn PDF document text
    • https://cdn.sqhk.co/fimegasaz/jhho5Az/amazing_powerhero_new_york_gangster_mod_apk_download.pdfIn PDF document text
    • http://wei-nmvc.com/40024026882tcr7q.pdfIn PDF document text
    • http://vekvelo.ru/visual_basic_6.0_free_download_full0m1q6.pdfIn PDF document text
    • http://sanatoriy-izumrudny.ru/togawumojs0z07.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/gotijejaj/tusaguf.pdfIn PDF document text
    • https://s3.amazonaws.com/faduxodiwo/vavefajiku.pdfIn PDF document text
    • https://s3.amazonaws.com/kovezux/disaster_recovery_template_by_kroll_ontrack.pdfIn PDF document text
    • https://s3.amazonaws.com/xonobijikivo/bioshock_android_4pda.pdfIn PDF document text
    • https://s3.amazonaws.com/xidazeze/rodib.pdfIn PDF document text
    • http://kugilib.rf.gd/bogevusabidinilofome.pdfIn PDF document text
    • https://s3.amazonaws.com/makumapikeze/livebavusafejarelelebopo.pdfIn PDF document text
    • https://s3.amazonaws.com/rufonali/14380001398.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_off0000d0a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0A0 5560 bytes
SHA-256: 890b13dba972a847f32e5797fa73a2226e8d8f9df1be37e4af9d60f81f101e2d
font_01_sfnt_off0000e37c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE37C 10756 bytes
SHA-256: 69064190799cf2611f3ccabf0666e91ef58c8c15435d9c99f27cba8608ce98c6