Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fae6392fd41792d…

MALICIOUS

PDF

45.3 KB Created: 2020-08-21 04:50:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fbd8886211f37fe7c39586d95c57e354 SHA-1: 8fc4fa18416628b3c9b4f7046fb73e01640f2ac4 SHA-256: 8fae6392fd41792d1d3da02c08ef6f776fe2ff29ed9e50caeebe161d97e77fbf
194 Risk Score

Malware Insights

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

The PDF contains a link to a redirector service (ttraff.com) which is flagged as malicious. The document body and embedded links suggest a lure related to educational materials, likely to trick users into visiting the malicious URL. The presence of numerous PDF links, many hosted on Shopify, indicates a link farm strategy. The ML classifier strongly supports the malicious nature of this PDF.

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=indices+grade+9+worksheet+pdf In PDF document text
    • http://files.stacisstitches.com/uploads/1/3/0/8/130814297/betipekuger_mapojasuxe_dixogen_perefu.pdfIn PDF document text
    • http://files.wellnessroadmassage.com/uploads/1/3/0/8/130874250/ponarufem_dilewakiwinedax_jamafevefodeze_mojudipogog.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5729/9097/files/wuxakenunoxusisafojizif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9889/7574/files/zitazoza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7446/2631/files/badowujopifediwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7881/8715/files/drawn_together_uncensord.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2338/2174/files/academic_writing_lecture_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8784/6806/files/96939499051.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9596/4328/files/rumejubagile.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4155/3575/files/pakukosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/7863/1833/files/59080451724.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9291/5864/files/pamunigefuzobuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0311/7719/files/44498213313.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
🗂 Part of campaign: neenahpowerlifting.com 4 samples

Related samples 4

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_off000064d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64D8 5424 bytes
SHA-256: 7c0eb40853807fdab598db520c0e936d1dc2ff74be2b4acccc7a1db9c6da03ff
font_01_sfnt_off0000774c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x774C 10264 bytes
SHA-256: 165c204e338475ec5f52644272adec5b0185a29a897e2dbd48ebc2a31eb3bcfb
font_02_sfnt_off00009a6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A6E 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

Open this report in the interactive analyzer, or submit your own file for analysis.