Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8cf8d2b9ef63084…

MALICIOUS

PDF

46.2 KB Created: 2020-08-25 06:03:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 04b59f26c32df6dadeb7ccc7b77742f6 SHA-1: 709fbe7d1b518f1854bdad462eb9eee4cbd89930 SHA-256: c8cf8d2b9ef630845c7c647c57cda4666ddc677976dd2f59d1c7868903bfc9e2
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or social engineering attempt. The primary malicious URL identified is https://ttraff.ru/pify?keyword=frostpunk+quick+start+guide, which likely leads to further malicious content. The document body, though heavily obfuscated, contains references to the lure and the malicious URL.

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.
  • 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.
  • 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://ttraff.ru/pify?keyword=frostpunk+quick+start+guide In PDF document text
    • http://sukitid.rhapsodyartbarn.com/uploads/1/3/1/8/131857631/deparafinewevifef.pdfIn PDF document text
    • http://buzumu.mistergteacher.com/uploads/1/3/2/6/132682663/1269450.pdfIn PDF document text
    • http://files.jerkoffbbq.com/uploads/1/3/1/4/131454355/xikim-ferijoj.pdfIn PDF document text
    • http://zejoropo.louisetanguayphotographe.com/uploads/1/3/1/4/131409090/4210842.pdfIn PDF document text
    • http://lodipava.breezecounseling.com/uploads/1/3/1/4/131437254/namawezipejewer_dukedafebowipa_duvibom_gobifa.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/1/0435/4431/4024/files/jimogisododeke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3455/7088/files/90852825564.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5857/7046/files/livapolegejopexugug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1414/4675/files/87383514051.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/1366931903.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7881/1797/files/gikigejewabegowizumoxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1504/4252/files/53103596805.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wesuwalaloluxafim.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 1

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006794.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6794 5236 bytes
SHA-256: 9e143f841038e086d9f3ca5273d01e9240ade5bc8c6cf6e9471960bef56585f0
font_01_sfnt_off0000796d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x796D 11096 bytes
SHA-256: 8507d7041622f7391c11804ef598aece548a10a5bb101e3a5d8abd63ed9d9cdb
font_02_sfnt_off00009e3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E3B 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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