Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c0035b00aa6bcb3…

MALICIOUS

PDF

47.8 KB Created: 2020-07-31 14:10:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 44d2e4cfd5472de48c2854384b6ca15c SHA-1: 186d61913060b9efbf0f6e1de5896ad7f3395fd8 SHA-256: 8c0035b00aa6bcb352205d1f771d6e665a6c1dfd3ec99ea226ea2e2f3bfbc060
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a malicious domain (ttraff.com), identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, many hosted on cdn.shopify.com, suggesting an attempt to manipulate search engine results or distribute malicious content. The document body, though heavily obfuscated, contains text related to synonyms and antonyms, likely serving as a lure.

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.com/pify?keyword=synonyme+und+antonyme+deutsch+pdf In PDF document text
    • http://files.gdv-epckirlian.com/uploads/1/3/1/8/131872281/fekowuxepuvagezifo.pdfIn PDF document text
    • http://files.paulkruegermusic.com/uploads/1/3/0/7/130775537/vititu_gepibug_wajulilen_vediti.pdfIn PDF document text
    • http://files.kootsie.com/uploads/1/3/2/6/132696304/7616653.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/1/0429/0910/6335/files/gafiponejoxenelakug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/3831/9527/files/foxuwuxekosozulorol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9633/2705/files/sulivezigigurumiseziw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8793/8211/files/89390249054.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7728/0671/files/11654446407.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5285/0586/files/30189229304.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8865/0135/files/noluvekex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3909/5973/files/zubatoradofa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3850/7169/files/70918238044.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7926/2615/files/zobedimune.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1444/6489/files/48928951639.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9462/0837/files/36351800392.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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_off00006696.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6696 5304 bytes
SHA-256: 6b149c315ec1c413caf938de8b4082b6cd4b17da56374b46dbccdfd2c28f06e9
font_01_sfnt_off00007871.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7871 10984 bytes
SHA-256: 6fc68976b07f2f74e78c49ac7a14a0ba234b4b54180f88a753a211fab99e5824
font_02_sfnt_off00009cab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CAB 16180 bytes
SHA-256: cf8f50b7fe3e18837235b0fa435cdcf20701cf5086b9b5bec02d4afca0c84734

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