Malicious PDF — malware analysis report

Static analysis result for SHA-256 44f469dce524b85e…

MALICIOUS

PDF

48.9 KB Created: 2020-08-04 14:00:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 57163a076cb1b533e797920a2b945b68 SHA-1: 25785c4daccbd49294d95c13fe9a898e00c8ba3f SHA-256: 44f469dce524b85e07b60161ce06f8e7c7868e004a3863b80623733daf208f01
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs, with a critical heuristic firing for a malicious redirector link to 'ttraff.cc'. Another critical heuristic indicates a PDF link farm, suggesting an attempt to manipulate search engine results or distribute content. The document body, though partially corrupted, contains text related to a PDF title and the authoring application, which is consistent with a lure document. The primary attack pattern involves redirecting users to malicious sites via the embedded links.

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=cantico+delle+creature+pdf+mondadori In PDF document text
    • http://taxefu.coleman4wcsb.com/uploads/1/3/0/9/130969054/pogigogox-zuripani-bifuloluleb-xomesafaripu.pdfIn PDF document text
    • http://files.medinacares.org/uploads/1/3/2/6/132681342/lojezitupawow_zazosutas_mamalezefoga.pdfIn PDF document text
    • http://files.quranhomepro.com/uploads/1/3/1/8/131871424/b7a443.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/1/0435/2868/3672/files/2947306117.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/daxajo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5680/8607/files/49498331847.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4310/1591/files/sosipigepedafa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7921/2959/files/vutaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5081/8981/files/56980177379.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8272/7067/files/bodawasofovagarazenexuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4061/3286/files/maniac_magee_activities.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4085/8527/files/34623205203.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_off00008035.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8035 5028 bytes
SHA-256: 4b5aee30471403d2b48f4d4c689a8c8bc3fb33fc36e47958409dd84912674ef2
font_01_sfnt_off00009139.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9139 10924 bytes
SHA-256: f4ee56d2b759bcff5852dabc05c23fc657bee831f9e73e2713a8ca124132ed5f

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