Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f46a06b65d75172…

MALICIOUS

PDF

40.2 KB Created: 2020-08-11 02:05:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ccb4154fab01fe2654407d2c06d36ef5 SHA-1: 8dc226fa8e75da86b251903649305a4afcb73b71 SHA-256: 1f46a06b65d75172b3110cf588fbc782ba368dbbcf9285c03987f5dec329d9a6
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links redirects to a malicious URL, ttraff.cc, which is known for redirecting to malicious content. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains the phrase 'Pronoun antecedent agreement exercises with answers pdf' and the malicious URL, suggesting a lure to disguise the malicious redirection.

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=pronoun+antecedent+agreement+exercises+with+answers+pdf In PDF document text
    • http://files.heroinanonymous585.org/uploads/1/3/0/8/130814245/jukuperidivutimapenu.pdfIn PDF document text
    • http://rurunosep.rinjaniindahschool.com/uploads/1/3/1/3/131380505/9409443.pdfIn PDF document text
    • http://files.somekindofsimple.com/uploads/1/3/0/7/130739509/jeputejo.pdfIn PDF document text
    • http://files.mreshistory.com/uploads/1/3/1/1/131164260/dakesa.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/1/0433/8286/6072/files/twinkle_twinkle_little_star_ukulele_chords.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2089/3864/files/autodiagnostico_personal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0891/5613/files/zidedijivake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2783/9641/files/nuwopiliribitoker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2624/9885/files/60781370424.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3248/5793/files/dragon_ball_z_dokkan_battle_hacks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4267/6636/files/koladibokosurunus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5398/1589/files/jomuxoxatanefopomusezanuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3692/5342/files/40616325309.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0837/6482/files/sulisedulolozanasalevu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3147/7922/files/12106183794.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_off00005d96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D96 5700 bytes
SHA-256: 5a257c32aafe79b74e26c6d240a0683213d720c36801564098281405f9e5e967
font_01_sfnt_off000070e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70E6 10192 bytes
SHA-256: 734ebf803309b5802f11865987d9b7c648548b01208a80e59c37cdf85022ed47

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