Malicious PDF — malware analysis report

Static analysis result for SHA-256 c314ae64ce404952…

MALICIOUS

PDF

44.8 KB Created: 2020-08-23 17:54:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6a1dbf6f00e32b53c1156715dd0f9d43 SHA-1: 674bbb8494831ac0c48e288d13a2027f148c7e6b SHA-256: c314ae64ce4049524c5287b6bce803eca4a11ffd6bba66b0154c45a0069231a7
202 Risk Score

Malware Insights

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

The PDF file contains a lure for an Australian tax invoice template, which is a common social engineering tactic. It embeds multiple links, one of which, 'https://ttraff.com/pify?keyword=australian+tax+invoice+template+word+doc', is identified as a malicious redirector. The PDF also hosts a link farm pointing to numerous other PDFs, likely for SEO poisoning or to distribute malicious content. No scripts were extracted, but the presence of a malicious redirector and the invoice lure strongly suggest a phishing or malware distribution 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=australian+tax+invoice+template+word+doc In PDF document text
    • http://fezil.artz-rva.com/uploads/1/3/0/7/130739590/guxodovakeb.pdfIn PDF document text
    • http://files.osekahomes.com/uploads/1/3/2/6/132695575/labul.pdfIn PDF document text
    • http://woxemen.bolstersunderway.com/uploads/1/3/1/8/131856394/6069691.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/1/0430/2841/4618/files/contaminacion_atmosferica_definicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4062/0200/files/asian_paints_texture_colour_catalogue.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1783/7471/files/2266555495.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8056/4392/files/java_windows_7_32_bit_oracle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1642/1529/files/dark_souls_3_firelink_shrine_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/0412/0475/files/79929288518.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6942/3257/files/kunixinapibesepabu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5530/0249/files/50528884359.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3644/1767/files/9372113653.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3555/0119/files/barbie_doll_wallpaper_image.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 1

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_off0000703d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x703D 5428 bytes
SHA-256: 0ff87e8ac3af5f0797fc0721b759265aa67dbfec6ae245619d6fbd63f31cee70
font_01_sfnt_off000082ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82AC 10332 bytes
SHA-256: d5729571a98b56a218450fe7265d50ea0013ea3c2e738c8c183afb356c43b6d5

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