Malicious PDF — malware analysis report

Static analysis result for SHA-256 822db8be62aea8a7…

MALICIOUS

PDF

42.4 KB Created: 2020-09-20 17:07:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 088ff117d44c80918b3f3d3556ba50b3 SHA-1: 1c661c7fc7b50fe13bb320a8dfd02ad9881bf9fa SHA-256: 822db8be62aea8a776ccd9e09bb5f383060bcef55dfe8c11626ddcf7d6bbb265
194 Risk Score

Malware Insights

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

The PDF contains a lure for a "bee movie worksheet" and embeds a large number of external links, many of which point to potentially malicious redirectors. The primary malicious URL identified is ttraff.club, which is flagged as a known malicious redirector. The document's structure and embedded links suggest an attempt to drive traffic to malicious infrastructure, likely for phishing or SEO poisoning.

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.club/wix?keyword=bee+movie+worksheet In PDF document text
    • http://saxewat.ocacolorrun.com/uploads/1/3/2/8/132814439/wivajopumu-dabikafelimore-bukufuzikami-goloxeno.pdfIn PDF document text
    • http://bidazik.ncfoodactionplan.com/uploads/1/3/0/7/130739059/5514f.pdfIn PDF document text
    • http://jenazebo.zacplatforms.co.uk/uploads/1/3/1/3/131384575/8095705.pdfIn PDF document text
    • http://pebuvalez.prodocsandservs.com/uploads/1/3/1/3/131384613/jakof_jigemog.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/1/0440/7659/7400/files/34085845109.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8620/9439/files/tasejawusimu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4146/2174/files/ac_dc_big_balls_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7474/7545/files/ambiguity_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7320/7446/files/snake_game_for_nokia_e5.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1122/7300/files/majestic_home_loans_login.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7183/9135/files/hotmail_attachment_limit.pdfIn PDF document text
    • https://fdceb77c-10fe-425d-a401-5e0e2c896919.filesusr.com/ugd/cf5aa9_e7a4579abaeb4298bbf8f1d4065b57a4.pdf?index=trueIn PDF document text
    • https://c45599b4-08c5-421e-9529-5de00ab3c157.filesusr.com/ugd/f8de3e_293a465b95bc429284fc3291b6aa9f51.pdf?index=trueIn PDF document text
    • https://7b5d31cb-da38-4360-b00a-53571f5cc66f.filesusr.com/ugd/90661f_66ab2070599e4cd389811ef9478561ae.pdf?index=trueIn 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_off00006861.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6861 4948 bytes
SHA-256: c4c454cc8e01696f306dfd678a7d221a510b4dd794652711d5148d8059b7bc5d
font_01_sfnt_off00007921.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7921 10472 bytes
SHA-256: 4bce89dd8ff5b1511a759c9f0173ab5fe7ad0695418f3337d43eb2fc29ac2877

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