Malicious PDF — malware analysis report

Static analysis result for SHA-256 e52bac4ad1405824…

MALICIOUS

PDF

55.1 KB Created: 2020-08-19 12:55:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5444393adf46ef523050b49796dbf2d1 SHA-1: a13aeea98e9e46f3c7fb72da49c6f947e47a4329 SHA-256: e52bac4ad140582407b7afad28b1e9d5f2e759e29e8d82670b9370ecd84642e8
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a malicious redirector. The primary redirector URL is https://ttraff.com/pify?keyword=amsden+formation+wyoming. Another heuristic identified a large PDF link farm, with the first URL being https://cdn.shopify.com/s/files/1/0427/8406/3654/files/madexojemegixunil.pdf. The document body contains garbled text but also includes the primary redirector URL and several shopify URLs, suggesting a content-generation or spamming operation.

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=amsden+formation+wyoming In PDF document text
    • http://files.sanclementecarpetclean.com/uploads/1/3/1/3/131378771/wevumijajudix_peviguw_nanoxixobatinav_xefume.pdfIn PDF document text
    • http://files.sftint.com/uploads/1/3/2/3/132303270/lazoniludex_duguxumigafoxaj.pdfIn PDF document text
    • http://files.vardismarinakis.com/uploads/1/3/0/7/130775387/funagutadakuxujoj.pdfIn PDF document text
    • http://gamofi.josefjakobs.com/uploads/1/3/2/6/132681947/volibufojeg.pdfIn PDF document text
    • http://files.hbcualumnicle.com/uploads/1/3/1/3/131379296/pisusi.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/1/0427/8406/3654/files/madexojemegixunil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7047/9766/files/tamovufugovawidagujerep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5956/8027/files/76013979245.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9505/5777/files/josie_maran_craigslist.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3822/6085/files/usps_state_abreviations.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9072/2469/files/luxutisifudelafimokeruduf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8773/2644/files/melugevosemato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6128/7839/files/71139359881.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5302/2369/files/hammer_and_sickle_text.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2100/9053/files/pseudomonas_aeruginosa_morphology.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 6

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_off000099e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99E3 5376 bytes
SHA-256: 29a54d54094ca51f24235827dd6dbeb2d7d421dce42ac082112ba943173cf9d3
font_01_sfnt_off0000ac2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAC2A 10236 bytes
SHA-256: c86123e27df089db20a5c79f39ce0664e40784e5b18c4c105b27f58678b5200e

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