Malicious PDF — malware analysis report

Static analysis result for SHA-256 87e9d150f9eed93b…

MALICIOUS

PDF

47.6 KB Created: 2020-08-04 17:54:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f8757400f7590dcc3c0d1308c87ca1e6 SHA-1: e802d68399b32e0dfe626786c7c67bcbd4480476 SHA-256: 87e9d150f9eed93b3c2ba4c79966da22a1f56b5292afe1a08f66b6df4ae9c368
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL, 'https://ttraff.cc/pify?keyword=cameron+highlands+tourist+map+pdf', is flagged as malicious. The document's structure and content suggest it is part of a link farm or SEO manipulation scheme to drive traffic to malicious sites, likely for phishing or malware distribution.

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=cameron+highlands+tourist+map+pdf In PDF document text
    • http://files.catherinereilly.com/uploads/1/3/1/4/131483138/3803139.pdfIn PDF document text
    • http://files.genevieve-simon.com/uploads/1/3/0/7/130775866/semusidodabasovigup.pdfIn PDF document text
    • http://files.shopeight19.com/uploads/1/3/1/4/131438490/5297002.pdfIn PDF document text
    • http://files.peterandjohnepiscopal.org/uploads/1/3/1/3/131383648/1124578.pdfIn PDF document text
    • http://files.westfieldkennels.co.nz/uploads/1/3/1/6/131637374/80f09badf0.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/1/0435/1574/0312/files/topufupegiporutudujijime.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6991/4782/files/wotukinekegoleveresozozos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48054684450.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5483/9461/files/53363579451.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7220/0605/files/nesadakebip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9258/2293/files/6082318035.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7727/1703/files/fakojaluvujafariv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2432/6564/files/xufumuvutasamexi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4253/5574/files/kakefere.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0916/2907/files/83201301778.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_off00007ab8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AB8 5360 bytes
SHA-256: 71743d1e83eb0c47fc90bfb2c5c69ffc2c8b4d1e7ac37754b904ca746d68d310
font_01_sfnt_off00008cc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CC5 10764 bytes
SHA-256: b937e361704ff479619d3e2b4bb490d1d9f2c1b800f5956084f559cc0c050dc1

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