Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e3c546090340d2f…

MALICIOUS

PDF

63.2 KB Created: 2020-07-30 21:40:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9161ccf37d7bfa68894c351137ccb368 SHA-1: ac71cf3bfe9c0b8e0f86c99b125d626cafb421f6 SHA-256: 9e3c546090340d2f5833ea6eb115971d0b636b33fcf8710ac6914bf382c2eb2c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. This indicates the document's primary purpose is to redirect users to potentially harmful content. Additionally, a PDF link farm heuristic was triggered, suggesting the document is designed to host numerous external links. The embedded URL in the document body further supports the redirection attack pattern.

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.cc/pify?keyword=self+esteem+definition+psychology+pdf In PDF document text
    • http://files.madeathomequilts.com/uploads/1/3/1/4/131407539/4557289.pdfIn PDF document text
    • http://files.cozyguesthouses.com/uploads/1/3/1/3/131382030/dunugegupox.pdfIn PDF document text
    • http://files.comchart.com/uploads/1/3/1/3/131381078/3ac455.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/1/0432/9888/1704/files/33022102457.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8096/5534/files/nipomopekenazadumimiwim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4933/7507/files/tivixika.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9602/3975/files/14250127460.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5789/5841/files/vowawinodopebulekuxoxuro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7411/7015/files/dinulapikir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8799/5814/files/wixawobeziripunomejil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lobusine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3246/8904/files/zewavujolada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2056/5156/files/namejizakapiwixol.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_off0000b994.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB994 5256 bytes
SHA-256: d10dd84bc0fccd749372d7ceac43fc37626c13c8c2c4f68e1aa585c81663833f
font_01_sfnt_off0000cb58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB58 10532 bytes
SHA-256: 4595bb468aeec733c6570081630de57e912936e62ce40f6390c62d4c6dd06652

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