Malicious PDF — malware analysis report

Static analysis result for SHA-256 793710a912bc018a…

MALICIOUS

PDF

40.3 KB Created: 2020-10-12 01:36:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 198dabc3c89ab2bbc8cb817ac0635121 SHA-1: 0d2737d33227302900f39dd33ba98d70460876d9 SHA-256: 793710a912bc018a258872095c835fa74db388f4783d1509aafa52bc0f327f71
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://cctraff.ru/strik?keyword=coronas+de+laurel+dibujo In PDF document text
    • http://files.oakheartcenter.com/uploads/1/3/1/3/131384281/3079933.pdfIn PDF document text
    • http://files.huntclubhomeowners.org/uploads/1/3/0/7/130739256/bidaperam.pdfIn PDF document text
    • http://files.atwelch.com/uploads/1/3/0/7/130739557/0c713d3adddc.pdfIn PDF document text
    • http://files.alexarodriguez.org/uploads/1/3/0/7/130739699/d404c50eb3.pdfIn PDF document text
    • http://lokuvulef.maybe2morrow.com/uploads/1/3/1/6/131606255/narepevojusimum-lajalajarixusi-ravobugizawuwu.pdfIn PDF document text
    • http://files.aromacatering.net/uploads/1/3/1/4/131410007/b34f61c0ab902ee.pdfIn PDF document text
    • http://files.jovaunholmes.com/uploads/1/3/0/8/130873973/818c81.pdfIn PDF document text
    • http://gopigu.bondybluereview.com/uploads/1/3/1/3/131384436/9213428.pdfIn PDF document text
    • http://files.crystelbeckerphoto.com/uploads/1/3/2/7/132741476/mapatifutufutakapub.pdfIn PDF document text
    • http://dijilana.spaceartstrust.com/uploads/1/3/2/8/132814241/1368124.pdfIn PDF document text
    • http://files.got-a-man.com/uploads/1/3/1/6/131606839/fotibulujobake.pdfIn PDF document text
    • http://files.prayerlifemusic.com/uploads/1/3/0/7/130775876/bozomiminefoz-bumev-gifodidusit.pdfIn PDF document text
    • http://files.shammaslab.com/uploads/1/3/1/4/131437474/1358440.pdfIn PDF document text
    • http://xonaxuga.thebridgeyouthcenter.com/uploads/1/3/1/3/131379615/1699006.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://cdn.shopify.com/s/files/1/0477/5837/7116/files/redstone_engineer_skin.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_off000050db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50DB 4860 bytes
SHA-256: 8d778cde83651861eac0579ec95af40fba1106e16d6aa0b0fc3605c3f890cc15
font_01_sfnt_off00006151.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6151 10972 bytes
SHA-256: 88627388166e07492882eaeec05dd47e8b3fa3693983e54ecc318fb745961ea8
font_02_sfnt_off00008513.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8513 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176