Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fb0c236fb24d49d…

MALICIOUS

PDF

34.3 KB Created: 2020-08-05 05:44:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b98bfd5bf5904fbad8047608a026a105 SHA-1: 480b6793e3ab58c5280018eb9a67a3ea2e70cd4f SHA-256: 0fb0c236fb24d49dcfc220d2f7cc4d6ef2a1ed8665c560a01f65aaea6352dfe4
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link farm designed to appear as legitimate study materials, but it redirects to a malicious domain (ttraff.com) for further exploitation. The ML classifier strongly indicated maliciousness, and the embedded URLs point to known redirector infrastructure. No scripts were extracted, but the document's structure and embedded links suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=jaiib+accounting+and+finance+for+bankers+short+notes+pdf In PDF document text
    • http://files.rmtzgarcia.com/uploads/1/3/1/6/131636745/kipodarosemav.pdfIn PDF document text
    • http://files.kawsaycenterperu.org/uploads/1/3/2/6/132696263/tijaze_pigoviseji.pdfIn PDF document text
    • http://torap.tspcapa.org/uploads/1/3/1/8/131856725/belozol_xowenaviwajoxa.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/1/0433/4557/6088/files/74861348924.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6949/7753/files/mupuvujevolisofosol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4350/1733/files/wojupemakora.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8153/9487/files/99088129337.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3127/2346/files/pezidewujidivalata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4393/6673/files/kodolebadasiluluzokev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3251/8554/files/94557862467.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0885/2117/files/beletotogozuxop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8368/5274/files/98860375605.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6021/4425/files/bowflex_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8685957786.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 3

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_off00004742.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4742 5576 bytes
SHA-256: 0c0a35cfce2c70501bf43cc629773d256bf517ac002dacac10cdc98577d1531c
font_01_sfnt_off00005a36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A36 9964 bytes
SHA-256: 31c8faf50334aab4ae70f3972412dd6f2ae69081f44e3fdece7b41d4d080014b

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