Malicious PDF — malware analysis report

Static analysis result for SHA-256 26d6c89f2a63d1a3…

MALICIOUS

PDF

39.7 KB Created: 2020-08-28 16:20:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a546ef1b21896dcccbb930aaa84f0766 SHA-1: ead88fab6f25ef95298e69f4423fd4ffd5c82af9 SHA-256: 26d6c89f2a63d1a35667fbfbbb3e3f01ec95a469e7ea8dbc94fe44768884fb21
194 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier and heuristics indicate it contains a mass external link farm. One of the embedded URLs, 'https://ttraff.com/pify?keyword=onan+emerald+generator+parts', is identified as a known malicious redirector. The document body contains garbled text and what appears to be a reference to the redirector URL, suggesting a lure to external 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=onan+emerald+generator+parts In PDF document text
    • http://seluzo.genawave.com/uploads/1/3/1/3/131398177/detanu_kavawape_zopenuri.pdfIn PDF document text
    • http://fuletub.trinitywellnesscharleston.com/uploads/1/3/0/9/130969525/mobotumape.pdfIn PDF document text
    • http://files.easternsloperanch.com/uploads/1/3/2/6/132681404/3588728.pdfIn PDF document text
    • http://files.pocolocosocks.com/uploads/1/3/0/7/130776573/pudewujikeworujovi.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/1/0432/8056/4392/files/clinical_examination_book_for_medical_students.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9563/7659/files/cox_contour_box_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1618/3205/files/kaxakukefujufabidedusaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1746/2182/files/75514988395.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/3110/1345/files/amadeus_altea_reservation_desktop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4955/7917/files/cartoon_in_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6568/7717/files/86799131388.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3575/4650/files/35052946932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3161/6923/files/jokefamumekafifo.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C69 5308 bytes
SHA-256: 97ad926737d6dec3e80c291fb0c04c88673ebaecaf56fc29284f18db7c62b9d4
font_01_sfnt_off00006e55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E55 10516 bytes
SHA-256: eceee7622f125b950df13342e2201e005621611a8cc41730ca2c287862783351

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