Malicious PDF — malware analysis report

Static analysis result for SHA-256 996980471aa69089…

MALICIOUS

PDF

51.7 KB Created: 2020-08-01 22:33:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a924c1bcfe6d37d91ec3c188fddb8008 SHA-1: 7b6697159b79ccb2c36899ba1e2d88d4c57b1bb0 SHA-256: 996980471aa69089f68cbe98ea7535da2ae9cd7b428165592b1d1a467c9d5332
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=ai+mai+mi'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs hosted on domains like cdn.shopify.com. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes the malicious URL, suggesting an attempt to lure the user to a malicious site.

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=ai+mai+mi In PDF document text
    • http://files.onebeautifulmess.com/uploads/1/3/0/7/130776609/312832a.pdfIn PDF document text
    • http://files.capsulate.life/uploads/1/3/1/4/131482832/sepajetekava.pdfIn PDF document text
    • http://files.allprorepairnc.com/uploads/1/3/1/1/131164260/d7a3d7408d.pdfIn PDF document text
    • http://files.vrockers.com/uploads/1/3/1/1/131164519/1565337.pdfIn PDF document text
    • http://files.springhousegrille.com/uploads/1/3/0/7/130775557/rivelunow.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/1/0431/8278/4676/files/dotifakupexidilaserejure.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4257/0402/files/gazevubopukidopani.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9165/6864/files/duguzilodisamiteke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2995/4721/files/tobaguratixukavunu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3983/3767/files/rilizo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5496/4637/files/95184414808.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6443/5612/files/83132797085.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9572/8029/files/gekubupibovika.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7309/3288/files/wumalem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6714/6397/files/binuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6910/4540/files/zewunuxinimurefololabitar.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 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000629a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x629A 13804 bytes
SHA-256: b86c342abb63300d2e58f92b6c429d6d3945fdbfbf469f8b4204a79a7dd33eed
font_01_sfnt_off00008ebb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EBB 4516 bytes
SHA-256: 9b11ca91791201d14538e84073f4d7396130418b141644cf6d2d5681adf49c43
font_02_sfnt_off00009e01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E01 10100 bytes
SHA-256: 36f1a0e50434b015941557691d6477e71700121d5050d3216d880b16911f6519

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