Malicious PDF — malware analysis report

Static analysis result for SHA-256 4999ecadb124e39f…

MALICIOUS

PDF

43.6 KB Created: 2020-08-19 12:17:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5a89223847edcb5c00557677bd1e5d59 SHA-1: ba5119c294bfe5d045eccd720e010cb57f32063b SHA-256: 4999ecadb124e39f181567e1d29a3b55f5e2b27b0258a938c31e2739a29b18f9
194 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it's a malicious redirector and part of a link farm, pointing to external URLs. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=cashier+machine+manual' which is flagged as malicious. This suggests the document's primary purpose is to redirect users to a potentially harmful site, disguised as a manual.

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=cashier+machine+manual In PDF document text
    • http://powewusu.discoveryourpurpose.net/uploads/1/3/2/3/132302780/rukepezovoketijob.pdfIn PDF document text
    • http://fupep.fullgospelbemidji.org/uploads/1/3/1/6/131637309/dowawenowilepata.pdfIn PDF document text
    • http://files.sisterchristensensehteam.com/uploads/1/3/1/3/131381555/jurogerij.pdfIn PDF document text
    • http://files.tigerhillpermaculture.net/uploads/1/3/0/7/130776775/bugobujamix.pdfIn PDF document text
    • http://kojew.ammtrail.com/uploads/1/3/2/6/132682883/1a341f27.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/1/0434/4774/6721/files/51898013967.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9306/5877/files/juremepubinuju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6859/6117/files/munupagujotodarejalim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9800/4899/files/kududezew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7706/6145/files/rak_vitrified_tiles_catalogue.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1811/5480/files/kujilatodixiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3844/8548/files/chamonix_piste_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8349/6600/files/duvofatugiselixarome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2032/8853/files/30478411438.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/57451987115.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2607/8101/files/zabiko.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 2

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_off00006e69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E69 4944 bytes
SHA-256: 3130b7ffe2e014e5636fea6a026e26f9c3f6484e2cb5240690e851d9ae37b006
font_01_sfnt_off00007f0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F0F 10044 bytes
SHA-256: 02e340fb28a706f55fc08e48a56738c08c5ec1ac1739ad6caf2ef1b2a51d9658

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