Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab1ecc8d369c223f…

MALICIOUS

PDF

41.2 KB Created: 2020-08-06 22:24:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 08fbe73cb589598ed447065ada8b019b SHA-1: e0ffd32df37e7056c78276ab4c32a9ba69c0578a SHA-256: ab1ecc8d369c223f2c4fa68245a983b956480cf39c64a736ed7ddfc12b864798
194 Risk Score

Malware Insights

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

The PDF contains a link farm designed to lure users to a redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=himnos+cristianos+pentecostales+pdf, which is likely part of a phishing or scam campaign. The ML classifier strongly indicated maliciousness, and the presence of numerous external links supports the SEO link farm heuristic.

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=himnos+cristianos+pentecostales+pdf In PDF document text
    • http://files.witconf.org/uploads/1/3/0/7/130740464/1373175.pdfIn PDF document text
    • http://files.shineyourlightmarketing.co.uk/uploads/1/3/1/6/131636692/vufedi-sepazisofofofo-rufunawubojid.pdfIn PDF document text
    • http://files.riverroofingbend.com/uploads/1/3/2/6/132696109/48103cde19bb1.pdfIn PDF document text
    • http://pejajo.estebanfj.com/uploads/1/3/0/7/130776542/169e4.pdfIn PDF document text
    • http://mukeli.gloucestershiregatewaytrust.org.uk/uploads/1/3/0/8/130814297/fokimimajopame_vuwakezasojosen_rulet_fadeloxo.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/1/0429/6137/1290/files/nakig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8748/7395/files/44405503453.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7833/4117/files/19845434019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7709/8913/files/mugol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3197/0471/files/52233096150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7460/8545/files/media_creation_tool_1903.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1117/8649/files/83514212282.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6394/3067/files/91529992984.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6905/5911/files/wobamo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5543/0302/files/xenuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6393/4105/files/18200161945.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5787/2033/files/rizanafedirokofafomikeri.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_off00006244.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6244 5260 bytes
SHA-256: ac661fb45dc1257754b8d2933113b4cc1cd8e5c52e130b674bbf519157b83e02
font_01_sfnt_off0000740c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x740C 11056 bytes
SHA-256: ad7e1856fd296eb6b0088d570f864cb3b5db9c8a668139c7acadaecbb62978bd

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