Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1458f06379d3e99…

MALICIOUS

PDF

247.1 KB Created: 2020-07-28 00:00:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5ac3288c8b0f0f293d40723f4ce8dfe2 SHA-1: 8e9e269c2fd8dbe2cfca64b98cb9ee9c1b6b0d07 SHA-256: c1458f06379d3e99fde85f6d60ade8dc45c69cb775bfd88197e5c6faa4ae288d
134 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.cc/pify?keyword=block+diagram+of+cement+manufacturing+process+pdf, is a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure for a technical document, suggesting a social engineering tactic to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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.cc/pify?keyword=block+diagram+of+cement+manufacturing+process+pdf In PDF document text
    • http://files.melissarae-photography.com/uploads/1/3/2/7/132740399/6543342.pdfIn PDF document text
    • http://files.copleyheritageday.org/uploads/1/3/2/8/132814552/2074538.pdfIn PDF document text
    • http://files.bartsbullets.com/uploads/1/3/1/4/131409127/6334892.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/1/0437/9305/5906/files/77907192758.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7430/6727/files/91866178663.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2052/5469/files/megosaburezomololisezad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9222/0829/files/3826388121.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9240/1573/files/1273633397.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5802/6903/files/1810337889.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/gufafunozuviliz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8984/4631/files/65589469922.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4669/8146/files/86358491464.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3457/3991/files/zibixolabel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5419/4085/files/vuvolezavanij.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 4

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_off000389b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x389B4 5472 bytes
SHA-256: 28618985e02a17377a239ed9227f7b217b6a36b1eee9463a5d22200396328ac0
font_01_sfnt_off00039c36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39C36 16104 bytes
SHA-256: d32643bb79ca2f51d6fb20fea6c7eecb5b683dfcc9c0602a997f9cf74ce9dab7

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