Malicious PDF — malware analysis report

Static analysis result for SHA-256 32aeeafd3310f023…

MALICIOUS

PDF

36.6 KB Created: 2020-08-02 01:30:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5789986cb623487818f1a48dd092bf0c SHA-1: dec8775b6f8544363726e831e1e5b1d58e1d18ee SHA-256: 32aeeafd3310f0230c515b36621df6071e92d74868e43f54b095b38940538389
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a link farm designed to redirect users to various SEO-optimized PDF documents, with one primary link pointing to a known malicious redirector. The document body, while appearing to be a manual, is primarily a lure to encourage clicks on these links. The heuristic firings indicate the PDF is a malicious redirector and part of a link farm.

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=2007+honda+odyssey+manual+pdf In PDF document text
    • http://files.geneseecountymg.org/uploads/1/3/0/9/130969046/fanibo_fexanakibi_gijigij.pdfIn PDF document text
    • http://files.barnesclassiccars.co.uk/uploads/1/3/2/6/132681517/nemepubogezev.pdfIn PDF document text
    • http://files.usapathwaytomathematics.com/uploads/1/3/1/4/131452783/6138796.pdfIn PDF document text
    • http://files.studiomindbox.com/uploads/1/3/1/3/131381712/vobuvozeruxe.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/1/0430/8641/3985/files/95622899448.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2201/6934/files/nitipazufak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3350/9534/files/614_607_5292.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5177/8202/files/55901838139.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2513/5776/files/86539767367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1467/4841/files/janelozefevetagupox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4877/8400/files/18791143285.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5143/4659/files/bozaxitijupobip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4995/1138/files/nenotiraladuguluxivax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8289/9871/files/mixikaz.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 3

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_off00005063.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5063 5544 bytes
SHA-256: 9c01a8db3970a0f70e729705bc0be1e73a7066be55b01123e0bdf82cbc6075a6
font_01_sfnt_off0000632a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x632A 10056 bytes
SHA-256: 0101c28dbfce4dccb0d565e8952fd9e3aa060df4aa5b7257bebd37a3a2f0cbff

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