Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccc4047ff96ae3e3…

MALICIOUS

PDF

45.0 KB Created: 2020-08-06 15:07:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5247dab19234eb32b1b3967a01eaa87a SHA-1: 57b394fceb330c0ad8017417e7257b4fd76fa18b SHA-256: ccc4047ff96ae3e3904efbeec1f64dfc93d9f21e588adf916afaf6283aa57182
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including one identified as a malicious redirector to 'ttraff.com'. This suggests a phishing or scam attempt, leveraging SEO-like tactics with many linked PDFs to appear legitimate. The primary malicious URL is 'https://ttraff.com/pify?keyword=scheduling+algorithms+in+operating+system+with+examples+pdf', which is likely used to redirect the user to a malicious site.

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=scheduling+algorithms+in+operating+system+with+examples+pdf In PDF document text
    • http://files.letsgoplayoutside.org/uploads/1/3/0/8/130814329/nozozududimipirobibu.pdfIn PDF document text
    • http://files.sweetssogeek.com/uploads/1/3/0/9/130969989/3e0df0df.pdfIn PDF document text
    • http://files.goleakdetectives.com/uploads/1/3/1/4/131406893/nuzedo.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/1/0434/3519/6566/files/dalux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2186/7930/files/87165643946.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4118/5189/files/zigisefafepulenobatunirab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8879/6065/files/chilton_repair_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9109/1875/files/71967422385.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7405/9424/files/80348022890.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9267/9582/files/auxiliary_verb_uses.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/dexutupelejapoza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7111/1330/files/89831839027.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/peboginesewuxexadamo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3006/8894/files/tiwawexuzumopamatu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7786/9476/files/95659657790.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 2

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_off00006321.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6321 5816 bytes
SHA-256: 3441ee39c2b35e05a1b78083081dc52cb12736660cfa9c6430ba1365ccb72dd8
font_01_sfnt_off000076d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76D1 9924 bytes
SHA-256: 9d3d3cb189543561bfd8171a5a5a2c9cfa015f45d2e1eb426523c4da0239f970
font_02_sfnt_off00009890.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9890 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

Open this report in the interactive analyzer, or submit your own file for analysis.