Malicious PDF — malware analysis report

Static analysis result for SHA-256 333be5eca964189f…

MALICIOUS

PDF

41.4 KB Created: 2020-08-06 22:07:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ba73557c540778bf109921ce46a0bdd1 SHA-1: 1c5022e0e7ee59cdb940b3c41c65bf789bb37bc2 SHA-256: 333be5eca964189f7d2d5c8c4b618e9355eb7c38d1cdf4026d5c538d85c47582
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific redirector URL, indicating a phishing or malicious content delivery attempt. The primary malicious URL is https://ttraff.com/pify?keyword=rediscovering+the+social+group+a+self+categorization+theory+pdf, which likely leads to further malicious content. The ML classifier strongly supports the malicious verdict.

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=rediscovering+the+social+group+a+self+categorization+theory+pdf In PDF document text
    • http://files.torontoacademyofacting.net/uploads/1/3/1/3/131398222/mikabijalatu_mujizugomuso.pdfIn PDF document text
    • http://files.fromaboveyouthcenterandbakery.com/uploads/1/3/2/6/132682851/9031218.pdfIn PDF document text
    • http://gomowoj.bkyogapsychotherapy.com/uploads/1/3/2/6/132681556/2242663.pdfIn PDF document text
    • http://files.clarkkentcreations.com/uploads/1/3/0/7/130739974/nijenabokemogetotiw.pdfIn PDF document text
    • http://files.sainttheresaattleboro.org/uploads/1/3/1/1/131163736/1078f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8804/4442/files/xogijuvemux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8935/3117/files/vuvarajimapanimamulaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5114/6650/files/fiponidawuvirugo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7963/1001/files/70479917890.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72707516801.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5359/6310/files/7031478063.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6722/7811/files/fojemilasapivironoketa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3374/7878/files/banagukuzamoxexoruzo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1908/3677/files/19337005260.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0455/2966/1605/files/spot_on_mathematics_grade_7_teacher_s_guide_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0126/6851/files/kiwitexomenasi.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000543e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x543E 5520 bytes
SHA-256: 5857e748454d8c267905fce5728b9d88ad242a53ff804a5c9c5cfe7dffb98f9c
font_01_sfnt_off00006713.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6713 10248 bytes
SHA-256: 8757ce5ec44300b3dae5661ca9064a539f5fc0273b9d2753841effd90fabf53c
font_02_sfnt_off000089f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89F5 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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