Malicious PDF — malware analysis report

Static analysis result for SHA-256 05f362e6d6703ee5…

MALICIOUS

PDF

72.1 KB Created: 2021-02-17 06:37:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 899f8d2f712379c35315a2c2c37f3d3a SHA-1: 5de0a5d1fd2917a5cd610a7aac81427a668a4b4c SHA-256: 05f362e6d6703ee5a64d85345e1e3ddb24c0cb9e052118161d32fdbf908bb751
136 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
  • 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.
  • 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://bologen.ru/wix?keyword=tipos+de+simulaciones+en+solidworks PDF link annotation
    • http://rafale.store/79038494248j80tr.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491169/normal_5fd60c7a94acf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470837/normal_5fd392a357846.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469104/normal_5fc8e0b5457ad.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374980/normal_5ff561494305c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378386/normal_6021cf9d57ec8.pdfIn PDF document text
    • https://cdn.sqhk.co/buzodafevuj/haqhaaG/2297197661.pdfIn PDF document text
    • https://cdn.sqhk.co/wogokodu/bDThiEx/battle_heroes_mod_apk_android_1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4500432/normal_5ff15eac9919f.pdfIn PDF document text
    • https://cdn.sqhk.co/lokutibu/gjWLyp5/49252589507.pdfIn PDF document text
    • https://cdn.sqhk.co/tamaladafa/vDuhdic/throne_of_glass_quotes_rowan.pdfIn PDF document text
    • http://neo-tp.ru/36173412216z2s5n.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jonunoxixopumit.epizy.com/54189686449.pdfIn PDF document text
    • https://s3.amazonaws.com/wipotegadodorek/zopexuzugete.pdfIn PDF document text
    • https://s3.amazonaws.com/jixerubowi/43906048590.pdfIn PDF document text
    • https://s3.amazonaws.com/dixaleko/fajukikogawe.pdfIn PDF document text
    • http://gugamofizuxeg.epizy.com/24832712134.pdfIn PDF document text
    • https://s3.amazonaws.com/vonutavekip/27385391718.pdfIn PDF document text
    • http://lamafuravufezin.epizy.com/aachen_tourist_guide.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_off0000da5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA5F 5324 bytes
SHA-256: a2d3e17537448ca18f82af806d2b7fb4b4eb73af3fd2ce9c2f6bc0f7c613d701
font_01_sfnt_off0000ec72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC72 11312 bytes
SHA-256: 4a57fbbe63825c901558d4e469f5b253a63625149b4380efe26842aa7b2e49f9