Malicious PDF — malware analysis report

Static analysis result for SHA-256 919da93b778db0a3…

MALICIOUS

PDF

41.5 KB Created: 2020-08-04 03:10:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d85937138c1b5f4cb7708dd4ba836ae3 SHA-1: d3f3df2b9dc6000014810b1e2651d30a8ff7f92d SHA-256: 919da93b778db0a39aecdf104f45f94c1a47019219738c6dbd81f371be9044fa
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text referencing a 'World cup match time table pdf' and the malicious URL, suggesting a lure for users to click through to potentially malicious content. The presence of a link farm further indicates an attempt to distribute 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=world+cup+match+time+table+pdf In PDF document text
    • http://files.blackandrightconsulting.com/uploads/1/3/1/4/131437670/megosuzaniwoxij.pdfIn PDF document text
    • http://files.coachfreiscience.com/uploads/1/3/0/7/130738666/bb977f2cbb.pdfIn PDF document text
    • http://files.subconsciousprogramming.org/uploads/1/3/0/7/130775859/bb8dec43147.pdfIn PDF document text
    • http://files.pralineswalk.com/uploads/1/3/0/7/130776673/tilava_xupijisatojon_zisarureleti_rajiravosasek.pdfIn PDF document text
    • http://files.customordercakes.com/uploads/1/3/1/1/131163949/8091072.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/1/0433/0687/7080/files/musuvagexas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2931/4206/files/fijefugo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5346/6271/files/fefuzunar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9681/0396/files/31511858212.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8447/8632/files/64432915755.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8699/3813/files/measure_of_skewness_and_kurtosis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7727/0692/files/53815430499.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3194/3585/files/wosoronumazijusopuxexotuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9701/2890/files/wukidabaxeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1375/7339/files/togixepuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7237/0326/files/52901226157.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_off00005ba4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BA4 5372 bytes
SHA-256: a92f6549d592f7d60b62e0804d81f2ff584c91313b01511c3c37454fcf6fa6b1
font_01_sfnt_off00006dc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DC6 14056 bytes
SHA-256: 8894a05066b225279adeff6f12e043a5326af3fd2f92fbd14e9f16e7a97f3e5b

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