Malicious PDF — malware analysis report

Static analysis result for SHA-256 b24d7d7677d67dfb…

MALICIOUS

PDF

72.3 KB Created: 2021-02-24 12:28:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 81d9862b6b5ca736e4ee4b1e9ba145c4 SHA-1: 5dc17237a18203f0b877d5258fdafd95b66cde39 SHA-256: b24d7d7677d67dfb3c708e448f8525f95705061814e92a83940d6c782a97fac1
176 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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://jacksth.ru/wix?keyword=gbwhatsapp+apk+download+malavida PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4427781/normal_5fc9550d84321.pdfIn PDF document text
    • http://netewe9.xyz/chickens_for_salewr35b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417527/normal_600b8d73ec71b.pdfIn PDF document text
    • http://nakrutkavk.site/7942955777322rfh.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368235/normal_5fed3e28269ef.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403127/normal_5fe0e175bcd52.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421474/normal_60210a7f94fad.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410004/normal_5fd967d36d2fe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378390/normal_5fec919e94696.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379474/normal_5ff162980b783.pdfIn PDF document text
    • http://megalit-korolev.ru/modawevawewazukukasenyskv.pdfIn PDF document text
    • http://sis-paypal.com/ceviche_peruvian_kitchen6yz21.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4859805/normal_603554966083c.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/jalasilunaz/93406364724.pdfIn PDF document text
    • https://s3.amazonaws.com/tawosutosuxi/free_able_cardinal_bird_pictures.pdfIn PDF document text
    • https://s3.amazonaws.com/rerinago/zufoduxadenotikuxufo.pdfIn PDF document text
    • https://s3.amazonaws.com/vonusirukete/nipefivekekokozudobo.pdfIn PDF document text
    • https://s3.amazonaws.com/piradi/voice_recorder_for_pc_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/mukut/fagigepijilur.pdfIn PDF document text
    • https://s3.amazonaws.com/jotizifime/how_do_i_reset_my_verifone_terminal.pdfIn PDF document text
    • https://s3.amazonaws.com/zifilobesumafi/parobaluguxevevalaru.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e08a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE08A 5488 bytes
SHA-256: c9df2c0388bf8541ba4deb9e3efbc1c52786767176364e886fe2997f656edb79
font_01_sfnt_off0000f327.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF327 9540 bytes
SHA-256: 80bda7cc2c2fbd953c7e44bddc1c1ed5d98985286b58d70dcad0ad42d69bfa50

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