Malicious PDF — malware analysis report

Static analysis result for SHA-256 832a9c14487ada16…

MALICIOUS

PDF

41.8 KB Created: 2020-08-19 20:25:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ea65af4d9ff2786ed7b0994587b94e65 SHA-1: 0bd87844d4ed7067f96d2b845036eff6b306755c SHA-256: 832a9c14487ada16ac0ef7029993672fe4e6d42d2d38f4562d0f99180f9193e7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains numerous embedded links, many of which point to a redirector service. The primary redirector URL, 'https://ttraff.cc/pify?keyword=saint+asonia+flawed+design+european+edition', is flagged as malicious. The document body also contains this URL and other Shopify-hosted PDF links, suggesting a link farm or SEO manipulation tactic to lure users. The ML classifier strongly indicates maliciousness.

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.cc/pify?keyword=saint+asonia+flawed+design+european+edition In PDF document text
    • http://files.torbayvts.com/uploads/1/3/0/7/130776327/63984e8af34ddc.pdfIn PDF document text
    • http://files.hwupenyuproject.org/uploads/1/3/1/3/131379054/ec983a39161be.pdfIn PDF document text
    • http://telufav.washingtonmidwives.org/uploads/1/3/1/4/131453134/1136413.pdfIn PDF document text
    • http://dokibamis.royaltyriseproductions.com/uploads/1/3/2/6/132681501/kodirotonoga.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/1/0439/8707/5230/files/56873798240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31052941417.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6997/2384/files/baby_names_in_malayalam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4281/5643/files/muvaja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9443/4207/files/pneumatic_rod_bending_machine_project_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5118/6336/files/japanese_animation_history.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5580/7641/files/78227234603.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4956/6886/files/kilidifukonisapisijigoxel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8198/2361/files/sofajitixenosowib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5830/6965/files/nelisut.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63FA 5404 bytes
SHA-256: 5ce7a2e67cbedfbef3c6e5d8466a86b55c4a4600452e2acc67658f3015a4d6b9
font_01_sfnt_off00007671.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7671 10348 bytes
SHA-256: 0faebc7ba651b1f57749073754a34cc0545b9e55f8380f3d93a6d898c9193de5

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