Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3c0589871922820…

MALICIOUS

PDF

45.2 KB Created: 2020-08-24 04:44:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 390b94e127729268f017482d3405c18f SHA-1: ba14ee9191855accc6cc9efd14e0920f3c0f1b7b SHA-256: d3c0589871922820a6722207cc67610acca5c9c6491e0e8580d20022723d7e46
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary link pointing to a redirector at 'https://ttraff.cc/pify?keyword=whistleblowing+ethics+pdf'. This indicates a likely phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the document's structure and embedded links are sufficient to infer malicious intent.

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=whistleblowing+ethics+pdf In PDF document text
    • http://files.albertoniego.com/uploads/1/3/0/7/130776812/garexotiku_wivopevatuki_movuner_nugibotuso.pdfIn PDF document text
    • http://files.magalidiskus.com/uploads/1/3/2/3/132303245/f76ec5a661e404.pdfIn PDF document text
    • http://gotafan.puertoricandj.com/uploads/1/3/2/8/132814439/38e20004.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/1/0433/3531/9711/files/taruka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2390/8520/files/95514805045.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0319/1193/files/nacionalidades_en_ingles.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0506/7943/files/26199261026.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1451/1001/files/dinofenosotawu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3246/8890/files/jugodesafodogivamifizapem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3095/3627/files/98714705596.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8999/2605/files/11273147823.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1746/2182/files/police_collision_reporting_centre_oshawa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gijamibumiji.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 5

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_off00006659.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6659 5144 bytes
SHA-256: 991eb9f4ab83e259fe9697d412451338f21b7424e6fc6d49ef7c116ca848760d
font_01_sfnt_off000077e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77E2 10000 bytes
SHA-256: 25be06581825e54b248d2e778ea66b13f92c52b983edd303e1cdd4bb6d53469a
font_02_sfnt_off000099de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99DE 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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