Malicious PDF — malware analysis report

Static analysis result for SHA-256 0325448e12f7640a…

MALICIOUS

PDF

43.7 KB Created: 2020-08-19 23:03:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2e3b2f5c35c1844aeab92ca7a117d984 SHA-1: 85b3b54ff12f0abde89af7ce159f64a5819262dc SHA-256: 0325448e12f7640aeab1dd43bd09783b24486e4d52fde9654c2151f62db7b969
234 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body and heuristics suggest a social engineering attack, likely a phishing lure for software downloads, which directs users to the malicious URL. The presence of numerous links and the ML classifier's high confidence score support this assessment.

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.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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.ru/pify?keyword=star+wars+battlefront+2+ps4++error In PDF document text
    • http://files.extremeeverest8850.com/uploads/1/3/1/4/131452838/zepasimalebubapa.pdfIn PDF document text
    • http://files.weitzelphotography.com/uploads/1/3/1/0/131070911/9354064.pdfIn PDF document text
    • http://files.composerlinwang.com/uploads/1/3/0/7/130775825/705d4352f66ccf.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/1/0430/4489/6917/files/asus_multiframe_software.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3012/6496/files/drama_certificate_templates.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1763/3949/files/15935041678.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8354/6267/files/pepavixuvitim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/metegemekipezafekude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/0997/0073/files/motor_vehicle_act_amendment_bill_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1339/7924/files/forexejemufulukeru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6621/9941/files/pajuboju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9359/0167/files/18854149404.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_off00006551.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6551 5452 bytes
SHA-256: 156948e1e79418bd30b9887927c056b7ca5a7bef3bb9ef362e72cbf3bf1d33c9
font_01_sfnt_off000077fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77FC 12636 bytes
SHA-256: d2461c265aa2a26a301f01f30289c8e38f056ba7a2053057dddb77ccbdafd73c

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