Malicious PDF — malware analysis report

Static analysis result for SHA-256 b63627c5038ce009…

MALICIOUS

PDF

41.6 KB Created: 2020-08-12 21:53:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dddb5e3fbcf28062b49c7bba99292ffe SHA-1: a48f4dc2ef1bb827808066fc6da8d7f2adcaef49 SHA-256: b63627c5038ce009675d6d99856bb26b89a4539ffe301539bf094d0e4fd20805
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to what appears to be a link farm hosted on Shopify. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=difference+between+merger+and+acquisition+and+joint+venture+pdf'. This suggests the document's primary purpose is to redirect users to malicious sites, likely for phishing or malware distribution. No scripts were extracted from this sample.

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.ru/pify?keyword=difference+between+merger+and+acquisition+and+joint+venture+pdf In PDF document text
    • http://doxito.kamscare.com/uploads/1/3/1/0/131070420/38ee3a.pdfIn PDF document text
    • http://files.orangevalleycreations.com/uploads/1/3/1/3/131383510/bujofaketuwomidabej.pdfIn PDF document text
    • http://ruxutedid.rivermontfarm.com/uploads/1/3/0/7/130775997/a6bd8dbb.pdfIn PDF document text
    • http://jogow.compressionsllc.com/uploads/1/3/1/4/131406982/nofezudebi-kologujis-kumaligedakepig-kuxuw.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/1/0431/1633/1172/files/2731060312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pusowa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1133/2503/files/hokkaido_train_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6001/6790/files/23582131985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/1980/9447/files/computer_hardware_and_software_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5307/2022/files/anleitung_zur_anlage_er_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7344/5788/files/siwejisibekuvevem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0227/3697/files/66715868005.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0727/0297/files/wokawupufesexenuju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4632/9750/files/gilurizufuzuwolu.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_off00006293.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6293 5936 bytes
SHA-256: 8955c7b31e9cf28dd6e5d96feab19cfeafd1fb0760a87f19045278002ce0275d
font_01_sfnt_off000076c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76C1 10256 bytes
SHA-256: 014aedc008ce7009edc3ced16c62772fefd505606ecd225ceaef59568fb850ff

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