Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6be160b4c210143…

MALICIOUS

PDF

48.1 KB Created: 2020-08-07 15:32:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9b0a7926720eeb4700202f9e34feecc5 SHA-1: 905eea1fb97bc98bed0fe48880829bbd622bf3b4 SHA-256: e6be160b4c2101435968b1c0d5f6ce6b11b2524baf7247eb7c9d8858c1a2d1fb
194 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 ttraff.com. The document body, though heavily obfuscated, contains the same URL and text related to academic content, suggesting a lure. The PDF also contains a large number of external links, many pointing to Shopify domains, which is characteristic of SEO link farms used to disguise malicious activity. The ML classifier also strongly flagged this PDF as malicious.

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=definition+of+scientific+management+theory+pdf In PDF document text
    • http://files.mthomesandland.com/uploads/1/3/2/6/132681264/3495588.pdfIn PDF document text
    • http://files.watervlietpubliclibrary.org/uploads/1/3/1/3/131381021/1659827.pdfIn PDF document text
    • http://files.yallabar.com/uploads/1/3/0/7/130775171/4606fc41.pdfIn PDF document text
    • http://files.libertylifeyoga.com/uploads/1/3/1/3/131382395/783a021.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/1/0435/5935/4517/files/chemistry_notes_class_12th.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9480/1568/files/24952996254.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8812/4830/files/35052385119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9476/1877/files/penufosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1594/6911/files/dimizafebumujojudon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4638/7362/files/49286752114.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5082/6919/files/xiwikawevovibitasamoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0605/7888/files/vazekufidibipufikimax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6798/1476/files/28227891880.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ziwodukujaluladiludu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4101/4438/files/jinodom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9135/9899/files/54641321628.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7341/3028/files/80638358757.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8865/8078/files/362421075.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 8

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_off00007ec4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EC4 5636 bytes
SHA-256: e87282dcd8c4bd26e4ca92860bd2826fa2af1f4113a90a9ce26596180a53b559
font_01_sfnt_off000091d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x91D2 9824 bytes
SHA-256: cb6398d91e639cd721f8b7d5fe9199bc94ea3af1f434e6810dd6abba9ad9cd33

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