Malicious PDF — malware analysis report

Static analysis result for SHA-256 68d5711e7729a445…

MALICIOUS

PDF

41.8 KB Created: 2020-08-02 14:10:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 70c0914c0c4f38141553224f7cb4da43 SHA-1: 0706bb8fe80e15ef15a21392aee87574ffd6c574 SHA-256: 68d5711e7729a44559202b965d0c68110c069485807c5e8b32007026eb338f81
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains a lure for a 'Whirlpool duet steam washer manual' and embeds numerous links, including a critical redirector to 'ttraff.cc'. This infrastructure is associated with SEO link farms and credential phishing, likely attempting to harvest MFA codes or session tokens. The ML classifier strongly indicates maliciousness, and the presence of multiple PDF links suggests an attempt to distribute or redirect to further malicious content.

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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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=whirlpool+duet+steam+washer+manual In PDF document text
    • http://files.ivanateahouse.ca/uploads/1/3/2/6/132680922/1474278.pdfIn PDF document text
    • http://files.taiwancarparts.com/uploads/1/3/2/6/132695325/zenovosisulematoti.pdfIn PDF document text
    • http://files.georgiewoodeventing.com/uploads/1/3/0/7/130775823/mejonaget.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/1/0430/9277/0977/files/fundamentals_of_matrix_computations.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2916/6242/files/earth_science_mcdougal_littell.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0269/9681/files/58919593284.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5386/6408/files/favafugojisefugepujusele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bijuwosozawubuvenokuzi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6888/3106/files/10970108534.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4669/8146/files/30756079674.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3547/6636/files/duck_life_evolution.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0397/6614/files/videfakenigepomunizaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/78944497452.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5743/0176/files/dimarotovelukopijisopex.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 2

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_off0000658a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x658A 5304 bytes
SHA-256: 5d4cbda5aa02ca659de5cc24d88c2fdae74354937c1f9bfb5eafcdeedb6d651c
font_01_sfnt_off00007778.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7778 10160 bytes
SHA-256: 2c4b9fd2204dbdc1154a9f18eb92c1d298693f217a076a85fd6a67fcc688575b

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