Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dcf0f8934587ba8…

MALICIOUS

PDF

46.4 KB Created: 2020-08-19 21:48:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9da2ea75b644180cf385464ebd081584 SHA-1: d3a3055229d54a03bad853280bbef734dd25517f SHA-256: 0dcf0f8934587ba89b5f5b3a353ae0aa95233b0c1e490f83d3fecfc699e4c7b1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, with a critical heuristic identifying a redirector link to 'ttraff.com'. This suggests the document is designed to lead users to malicious sites, likely for phishing or to download further malware. The presence of a large number of PDF links also indicates a link farm strategy, potentially for SEO manipulation to increase visibility of malicious content.

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.com/pify?keyword=wordpress+elementor+templates In PDF document text
    • http://files.reading2reading.com/uploads/1/3/1/4/131411281/4694864.pdfIn PDF document text
    • http://files.hqp.org/uploads/1/3/1/4/131437017/janajovaw_vewemezorixiraz.pdfIn PDF document text
    • http://files.vancemedical.com/uploads/1/3/0/8/130874298/1a1706.pdfIn PDF document text
    • http://goniruju.hunterlegacyyearbook.org/uploads/1/3/1/6/131606000/a170469.pdfIn PDF document text
    • http://files.chicagoansunited.org/uploads/1/3/1/4/131407315/binadiwibipazin.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/1/0429/6772/8279/files/misoxalifizamotatara.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9346/4990/files/wibanisutinigupukutazif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3508/1374/files/webuxizifasevazin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1044/0862/files/52858627848.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1194/6134/files/jizexejokunitojuzepozo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1787/1255/files/rizm_algorithmic_trading_platform.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2752/1948/files/63137114473.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6028/2023/files/bekukenovimiwebiwikeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6643/3429/files/64352674011.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3614/5814/files/22949467489.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_off00006fa5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA5 5116 bytes
SHA-256: d1bf3bed257cc9e251cec646124e45a572c4c69822a4eb3d1d7b5ee59886f923
font_01_sfnt_off00008102.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8102 13716 bytes
SHA-256: f19a20736e6f717a62cdcb94d95d9b09b056a3281366c1c79f45c5d09d5eeea2

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