Malicious PDF — malware analysis report

Static analysis result for SHA-256 f12d0d9edc92ade1…

MALICIOUS

PDF

40.4 KB Created: 2020-08-20 11:21:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9c6053cd50109f9bef5b83bec0340c97 SHA-1: c9629a25c2d6b9794c3ea4a4317047ccf7090446 SHA-256: f12d0d9edc92ade127e1dd4cafb166220300497f3091ca689363cc106c79dd34
194 Risk Score

Malware Insights

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

This PDF contains a large number of embedded links, many pointing to Shopify-hosted PDF files, which is indicative of a link farm designed to manipulate search engine results. One of the primary links directs to a known malicious redirector, 'ttraff.cc', suggesting a malicious intent behind the link farm. The ML classifier also strongly flagged this PDF as malicious.

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.cc/pify?keyword=citadel+forged+with+fire+guide+for In PDF document text
    • http://files.gratiotfarmersmarkets.com/uploads/1/3/1/1/131164202/zojetubokaki-pezita.pdfIn PDF document text
    • http://files.teenwhite.com/uploads/1/3/2/7/132710632/1409622.pdfIn PDF document text
    • http://files.highctom.com/uploads/1/3/1/3/131383384/pogojepefu-pobazesedatuni-jezaxologa-jajugu.pdfIn PDF document text
    • http://judojaz.nicole-phillips.com/uploads/1/3/1/4/131437626/d79fcdf54f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5131/1513/files/9808284625.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6191/1460/files/nivomuzasigegitekudizone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9432/7975/files/xaxoxewadoxaju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1030/9787/files/zimomobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/tikuditikamimumudoxasi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8289/9871/files/street_fighter_2_roms.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9313/1425/files/sogelelaji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7909/0855/files/photogrammetry_drone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7570/6788/files/44157630452.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1416/8480/files/646983490.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2664/4125/files/munezakilu.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_off000061d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61D5 4988 bytes
SHA-256: 4fed416fb97f3d975dd3f33ec0fad29a17ce64d53c2810f515f3545200836398
font_01_sfnt_off000072d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72D3 9916 bytes
SHA-256: ee778bf67874a8d163f2045438b1f5a4c31547fda4a70c831be0b27b83ec9a66

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