Malicious PDF — malware analysis report

Static analysis result for SHA-256 e90dd443ca8c5688…

MALICIOUS

PDF

66.0 KB Created: 2021-02-23 13:52:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 910e3b4b50888d70473259da331ef2ab SHA-1: a08386cc61366151f5c43c0d0a9d7823c672d6f0 SHA-256: e90dd443ca8c5688821ce1f2004a6c0e6bec3a6ab47c80baf9c2cb580c70d9a4
196 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.
  • 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://maypoin.ru/wix?keyword=holt+sociology+chapter+2+review+worksheet+cultural+diversity+answers PDF link annotation
    • http://xikimifo.66ghz.com/sap_bods_tutorial.pdfIn PDF document text
    • https://kukanoli.weebly.com/uploads/1/3/4/6/134641169/marijaji_jozivojo.pdfIn PDF document text
    • https://tavadubamik.weebly.com/uploads/1/3/4/4/134473349/mezujit.pdfIn PDF document text
    • https://revugegan.weebly.com/uploads/1/3/4/6/134682990/xebenilekiga-lewexigin-votovixisalow-wilesobibowi.pdfIn PDF document text
    • https://zujamabosav.weebly.com/uploads/1/3/4/3/134363941/jewesowu.pdfIn PDF document text
    • https://kobafadovuzek.weebly.com/uploads/1/3/4/3/134311208/kobad.pdfIn PDF document text
    • https://fulimutalez.weebly.com/uploads/1/3/4/5/134599943/b769c5eceed.pdfIn PDF document text
    • https://fofifakexetag.weebly.com/uploads/1/3/4/3/134345684/c3291941.pdfIn PDF document text
    • http://metalllift.ru/47441355755jpxpp.pdfIn PDF document text
    • http://eu-study.ru/basic_communication_skills_ppt_free9gmit.pdfIn PDF document text
    • https://jufavufopu.weebly.com/uploads/1/3/4/3/134340263/9a8c48f58c7.pdfIn PDF document text
    • http://gibejujefuguxax.22web.org/paxoxokimujus.pdfIn PDF document text
    • http://arenaprobet.com/intermatic_timer_manual_et1125cpd82e5n1w.pdfIn PDF document text
    • http://laulu-go.ru/49853490781nhwy8.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/lurutopobi/25496856643.pdfIn PDF document text
    • https://s3.amazonaws.com/rolefosiju/fesikoxep.pdfIn PDF document text
    • https://s3.amazonaws.com/fulazelof/bupezurefomuvamotinaxovuk.pdfIn PDF document text
    • http://zoletiwosi.rf.gd/cyberghost_6_crack_free.pdfIn PDF document text
    • https://s3.amazonaws.com/wizomoravazub/98539772134.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_off0000c5ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5FF 5748 bytes
SHA-256: 013f16fdbde787531f222f862c09e31fd56889a12fd1765d0ff6ec1402cc0a16
font_01_sfnt_off0000d99e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD99E 9496 bytes
SHA-256: ab89c6cf507cc26e0e9d503cdad682f7fec58e4818a2e5ddd599de99d9fa0c32

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