Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5d9027e29187a5b…

MALICIOUS

PDF

32.7 KB Created: 2020-08-09 23:33:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7ad6c2d2edc900ab4d6666189cf2129c SHA-1: 35d8d40a1d350fac164ea874d016701d3a0155cd SHA-256: d5d9027e29187a5bf8f9ce6755dcf76b7bf11ae3b6b9a9e3d33f1771e7460de7
194 Risk Score

Malware Insights

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

The PDF contains a link farm, with one critical heuristic firing indicating a malicious redirector. The primary malicious URL, https://ttraff.com/pify?keyword=cantonment+board+act+1924+pakistan+pdf, is designed to redirect the user to further malicious content. The document body, though heavily obfuscated, contains references to this URL and other potentially malicious links, suggesting a phishing or redirection attempt.

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=cantonment+board+act+1924+pakistan+pdf In PDF document text
    • http://malob.thebeautyhouseofl.com/uploads/1/3/2/6/132696030/0c9fe89d6be.pdfIn PDF document text
    • http://files.kpadron.com/uploads/1/3/1/6/131636828/5243052.pdfIn PDF document text
    • http://files.jessicaelkayam.com/uploads/1/3/1/3/131382673/fc26c220d7.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/1/0428/4488/1059/files/lovogunusaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6191/1458/files/54049300209.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/wukog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0209/3987/files/73256069013.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6626/9600/files/6365595640.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9508/9559/files/aldehydes_and_ketones_and_carboxylic_acids.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4669/8146/files/wifawuxujogixemudaxig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6491/8165/files/japolimeneduxixarogoso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5241/7703/files/sadoponotilesugoposoxaru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0885/2117/files/18838823873.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0609/1673/files/35968772836.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9266/2688/files/48332095181.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 4

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_off00004425.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4425 5804 bytes
SHA-256: 513b223396c38f70f3eef6e6b2f5495e96cc01175cb42460e7a3d140fa50ddee
font_01_sfnt_off000057d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57D2 8852 bytes
SHA-256: c1cc8d877a776e04633c2325fb68de2c63b8b77986266ccf9ae62d57a77986f8

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