Malicious PDF — malware analysis report

Static analysis result for SHA-256 62faa6917299d161…

MALICIOUS

PDF

78.8 KB Created: 2020-12-30 03:39:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: 786275494e8d571ffbb2fc60ac0287a0 SHA-1: c9dac391527d74017485220cf719d463bcf63610 SHA-256: 62faa6917299d16171bfc96170959b8c83d9a02a968e543a9d928fee4b322dbf
196 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, many pointing to Weebly-hosted PDFs, indicative of a link farm or SEO scam. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' strongly suggests the document's content is designed to trick users into fraudulent financial transactions. While no scripts were explicitly extracted, the presence of external URIs and the nature of the heuristics point towards a phishing or scamming attempt, likely leveraging embedded JavaScript for malicious redirection.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://trafftec.ru/strik?utm_term=cute+hello+kitty+wallpaper+cell+phone PDF link annotation
    • https://tukobigerokigab.weebly.com/uploads/1/3/4/6/134653943/9299106.pdfIn PDF document text
    • https://fefojaza.weebly.com/uploads/1/3/4/4/134480993/masusopubusekere.pdfIn PDF document text
    • https://gijifapezikad.weebly.com/uploads/1/3/4/6/134644128/45d870c116beafa.pdfIn PDF document text
    • https://cdn.sqhk.co/kepebeso/cShhMi9/fanodibotoferesujogafokep.pdfIn PDF document text
    • https://cdn.sqhk.co/zawitagevute/c1jbgdz/simple_christmas_cake_decorations_ideas.pdfIn PDF document text
    • https://zosibikatojufo.weebly.com/uploads/1/3/4/3/134382834/teladugim_sorugovosoragu_duvegizab_dogilo.pdfIn PDF document text
    • https://cdn.sqhk.co/maxolavoweje/hjOgjUr/galaxy_war_game_mod_apk_download.pdfIn PDF document text
    • https://cdn.sqhk.co/jutafegobexe/ghijFjd/homeschool_dance_programs_near_me.pdfIn PDF document text
    • https://puzalanenezow.weebly.com/uploads/1/3/4/6/134693659/kuzituz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/mipeboro/nulimurejonimoxun.pdfIn PDF document text
    • https://s3.amazonaws.com/sefiwegegagu/44940001171.pdfIn PDF document text
    • https://s3.amazonaws.com/mexesazaxasa/99896126534.pdfIn PDF document text
    • https://s3.amazonaws.com/zoromexemuzid/arquitectura_sustentable.pdfIn PDF document text
    • https://s3.amazonaws.com/fosagobomap/suzupomezijavo.pdfIn PDF document text
    • https://s3.amazonaws.com/vutame/adobe_photoshop_elements_2019_crack.pdfIn PDF document text
    • https://s3.amazonaws.com/tiniruru/polycarbonate_roof_sheeting_cape_town.pdfIn PDF document text
    • https://s3.amazonaws.com/zunaduxa/68700630005.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e877.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE877 5008 bytes
SHA-256: 35d6ac0d9ddf889e4a1a69d6b8b7ffeb35fa60aca62d3414637b152bbe3417c7
font_01_sfnt_off0000f996.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF996 11388 bytes
SHA-256: e8a1a3ba2e44ea56ad400bd98f1baa7c5839e5f0fb2d0832f763114f13f65076
font_02_sfnt_off00012035.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12035 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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