Malicious PDF — malware analysis report

Static analysis result for SHA-256 2faecfd2fee0832c…

MALICIOUS

PDF

46.0 KB Created: 2020-07-29 14:46:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8a1ac43340f6ee4dbd196f22fe49f693 SHA-1: 73f5c1879e05b412629790e89cf74584be18c105 SHA-256: 2faecfd2fee0832ced2e5de4dd11647bc01550db725ee596b61ab837d20a4cf4
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, indicating a link farm designed to redirect users to malicious infrastructure. One critical heuristic identified a link to a known malicious redirector, ttraff.com. The document body appears to be malformed or truncated, preventing a deeper analysis of its specific content, but the presence of numerous external links strongly suggests a phishing or redirection attack.

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=mariano+azuela+los+de+abajo+pdf In PDF document text
    • http://files.lifeclickscoaching.com/uploads/1/3/1/4/131453111/nolesegapoz.pdfIn PDF document text
    • http://files.barronparkpreschool.com/uploads/1/3/1/1/131164198/linupowipona_jerowanino_lulomerow.pdfIn PDF document text
    • http://files.cleancozyauthors.com/uploads/1/3/2/7/132712355/265a83ff53.pdfIn PDF document text
    • http://files.realisto.net/uploads/1/3/1/0/131070313/savako.pdfIn PDF document text
    • http://files.runnymedechemistry.com/uploads/1/3/0/7/130739883/3262053.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/1/0433/7077/4677/files/migoxejezigemodivesoxalo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1461/7250/files/34546213883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0426/4602/files/59080686112.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8427/4081/files/bunegut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1755/2543/files/97524395397.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3967/8886/files/sotobofasusoranuxazojer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8901/1612/files/84585973674.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sopituwoxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9410/5509/files/nepotomudanudesulozoga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83971047952.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4795/2294/files/92044789610.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1752/7715/files/ledeposowuzo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3196/9438/files/65735579075.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_off00007433.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7433 5108 bytes
SHA-256: e9f1867af7fc6aa434310ee60d01727fbe47cb3fbfeefe26cd922b349910691a
font_01_sfnt_off00008598.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8598 10824 bytes
SHA-256: 6d59ce36d89aee4e04a001ffb9cebc2ed5fcad94988a96667c938eee4d4efaec

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