Malicious PDF — malware analysis report

Static analysis result for SHA-256 801dc8fbebb2601a…

MALICIOUS

PDF

37.0 KB Created: 2020-08-09 06:46:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7dbff5ff211479b12b91eecf808d5931 SHA-1: 9226f1192570374d1f8f2460df470ddb5eb37a76 SHA-256: 801dc8fbebb2601af64223ca59a2b10d666887eb01c2fb50136d63935bbab0f0
234 Risk Score

Malware Insights

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

The PDF contains numerous links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body and embedded links suggest a lure for free downloads, likely leading to further malicious payloads or phishing pages. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document may also attempt to trick users into executing commands.

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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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=learn+autocad+electrical+pdf In PDF document text
    • http://files.countrycreations4u.com/uploads/1/3/0/7/130739431/1497865.pdfIn PDF document text
    • http://files.writerqayyimmckoy.com/uploads/1/3/1/3/131383380/98e6e0.pdfIn PDF document text
    • http://files.marinersguide.info/uploads/1/3/0/7/130775959/178d2ae253d9.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/1/0446/6376/7203/files/10017354175.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1306/3335/files/65024585607.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5792/9623/files/mufivekinipadesezoxopako.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32343356061.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2073/7950/files/44281334001.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7878/6965/files/titixabik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7054/6335/files/bevebekifovekodabe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7645/1494/files/47282812042.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2513/5776/files/binawojadid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3325/6345/files/neoliberalismo_origen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0989/9670/files/82251333793.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3393/5519/files/newezifip.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_off0000549d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x549D 4912 bytes
SHA-256: d193d537c9cd1a78ae8ca650a780dff74f14b8c1d1ea91470213f5d4566cf51f
font_01_sfnt_off0000656a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x656A 10028 bytes
SHA-256: c56c800e027dc6143391ce5bc2fdad743135035b1fd691261cec73b87b6308da

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