Malicious PDF — malware analysis report

Static analysis result for SHA-256 118498d945073ed4…

MALICIOUS

PDF

39.7 KB Created: 2020-08-22 15:21:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ab1ab8afd20708b52413b261c94dc287 SHA-1: e8e6a607ba4a4ff43075c78bfbc14470e472aa40 SHA-256: 118498d945073ed4ed449127351dafd36ab7b593363040774df6834ed73f8988
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The redirector URL is designed to lure users with keywords like 'crystal reports select case default', suggesting a social engineering pretext. The presence of numerous links, including those to Shopify domains, indicates a link farm strategy to distribute malicious content or conduct phishing. No scripts were extracted, but the primary attack vector appears to be the redirection to external malicious sites.

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=crystal+reports+select+case+default In PDF document text
    • http://files.whitehouse.edu.pk/uploads/1/3/2/6/132696117/9131993.pdfIn PDF document text
    • http://febizovi.mrbdabms.com/uploads/1/3/2/3/132302780/jibiwipo_doniwanixine.pdfIn PDF document text
    • http://files.saintjosephsculturalcenter.org/uploads/1/3/1/8/131871568/3cb3d.pdfIn PDF document text
    • http://files.jennifershueyart.com/uploads/1/3/2/6/132681144/4467779.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/1/0427/7701/8524/files/65605057235.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0644/3176/files/constancia_antecedentes_disciplinarios_de_procuraduria_en.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7973/8278/files/mawaxoguwu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1615/9395/files/kibevilubamobijik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4518/0824/files/zixuwarofub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8315/3056/files/53390923906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0304/4263/files/99891054157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9110/7752/files/86150472050.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2725/0848/files/functional_classification_of_roads.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_off000058cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58CB 5156 bytes
SHA-256: 27c82b4d953cd27fc43753c0bf293ebbc564abc5353f72ceb2533653a27659b8
font_01_sfnt_off00006a68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A68 11904 bytes
SHA-256: 781ba4a1e39fd33b35f17fae7fe6fa1cead60e3e1f036d2d32978f51bf8b30e7

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