Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc4aa064e4a6f213…

MALICIOUS

PDF

154.5 KB Created: 2020-08-08 13:05:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 92cc7347acdcb7c19d329a91fd2d94e6 SHA-1: eb8726cb3246bd01619ea562ed5f9675696dfc7a SHA-256: bc4aa064e4a6f213de82fd4c0a9a624857239adc2ee54a8a91e684c7eb360045
134 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=antipsychotics+classification+pdf'. The document body, though heavily obfuscated, contains this URL, suggesting the primary intent is to redirect the user to malicious infrastructure. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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.
  • 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=antipsychotics+classification+pdf In PDF document text
    • http://files.foxvets.com/uploads/1/3/0/7/130775214/b1f1ff5dcaa.pdfIn PDF document text
    • http://files.rickiwood.com/uploads/1/3/0/9/130969695/aaddb0878eb26.pdfIn PDF document text
    • http://lojil.bydinkdesign.com/uploads/1/3/1/4/131453247/xufalosamik.pdfIn PDF document text
    • http://files.naude.eu/uploads/1/3/0/8/130814258/4346797.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/1/0433/0687/7080/files/7218161301.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2159/6834/files/family_feud_powerpoint_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8220/9698/files/atrocity_act_in_marathi_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7449/4369/files/zunekarodupifegawez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5725/8395/files/benoter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4343/8244/files/wunavitalawusuvu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2004/1886/files/muxonubuxojisedifewu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0505/1029/files/juvupirulewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5559/5172/files/42698995644.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6799/8359/files/wasogatakonuvexekusijifo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1320/0282/files/vi_show_hidden_characters.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2027/8171/files/38769333082.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 7

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_off00020726.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x20726 4908 bytes
SHA-256: 320fba5cc9d64c71249686d1b9c3093ce3656c803ee22520198c5f4eb903603c
font_01_sfnt_off000217c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x217C9 17520 bytes
SHA-256: 703b40ca107e06b41cb59d63371808f8cc252c5a7849e920f241cf2a3d09a3ed
font_02_sfnt_off00024e11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24E11 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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