Malicious PDF — malware analysis report

Static analysis result for SHA-256 20e6f9712d02d8a9…

MALICIOUS

PDF

41.5 KB Created: 2020-08-06 22:47:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6e60cf02cc450ed791c63bb372095edc SHA-1: e343d13e53eae42c506cbe649595f202d1317885 SHA-256: 20e6f9712d02d8a9ee4452bd4567a5b2bb0530c5f10ce06b0d9bbba3ecae5382
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic firing indicating a malicious redirector link. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=financial+incentive+definition+pdf', which is a known malicious redirector. This suggests the document's primary purpose is to redirect the user to malicious infrastructure, likely for further payload delivery.

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=financial+incentive+definition+pdf In PDF document text
    • http://files.helpoverhurdles.com/uploads/1/3/1/8/131856479/2074902.pdfIn PDF document text
    • http://files.jvroofingsiding.com/uploads/1/3/0/7/130740231/pujezariwif.pdfIn PDF document text
    • http://files.150th.org.uk/uploads/1/3/0/7/130739806/sejobu_vonaj_donobubenaki_ranokenejizowud.pdfIn PDF document text
    • http://files.mesabikerace.net/uploads/1/3/1/8/131858044/gafomuxe.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/1/0428/4622/4551/files/nisumidasesusefetit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0490/3069/files/migexozamoxasilunel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/gupulajopuzugupiwusebum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2873/2314/files/weraloxejizidareler.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0682/7429/files/tsc_appraisal_form_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4437/1613/files/zonanogopamovepuve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2816/0417/files/buku_bahtsul_masail.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6761/3087/files/13788149829.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20659662050.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4276/7001/files/19098281578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7133/0709/files/fifty_shades_as_told_by_christian.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 4

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_off0000644d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x644D 4888 bytes
SHA-256: ad6254a83cd79d3beb420682d5acb838ced1f1b595ff6fb5ddba1a0ee060ab0f
font_01_sfnt_off00007515.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7515 10652 bytes
SHA-256: fd2580aaddf47518e7bf25e4d3a80812a75e9c27a5511eca993a424990199980

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