Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9106a3f4a6bc124…

MALICIOUS

PDF

39.9 KB Created: 2020-08-10 08:41:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6850de6cb0b1534966f6ffc42366fe7b SHA-1: 7af042fb45e0611076ff30aef6668d6c0a200238 SHA-256: a9106a3f4a6bc124ecde3baf32ba82ad2565779bc31d721e2c76fc533112ea11
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of external links, many pointing to Shopify domains, which is indicative of a link farm designed to manipulate search engine results or distribute malicious content. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body, though partially corrupted, contains text related to a 'Canon ae 1 user manual pdf', suggesting a lure to entice users to click on the embedded links. The presence of a malicious redirector and the link farm structure strongly suggest an attempt to lead users to malicious sites.

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=canon+ae+1+user+manual+pdf In PDF document text
    • http://vopufoda.jeffreyjonesinteriordesign.com/uploads/1/3/0/7/130739553/ead05b9f.pdfIn PDF document text
    • http://files.mpowertheworld.net/uploads/1/3/2/7/132740415/kadisetiwebuget_rofajanagojata.pdfIn PDF document text
    • http://files.ldvwine.com/uploads/1/3/1/4/131455832/7833347.pdfIn PDF document text
    • http://files.andrewedmundsprints.com/uploads/1/3/2/6/132681295/ac692fc82.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/1/0437/3191/0821/files/como_cambiar_de_a_word_gratis_en_espaol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/9194/6661/files/mordhau_player_count.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4101/4438/files/jezur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3982/4799/files/balexigajitawor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2873/4375/files/86458442242.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gobobuxewinunegurugita.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5847/0813/files/79608028169.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1603/6249/files/51896884006.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4030/1478/files/39768511478.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9386/1279/files/gitiwum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4895/9142/files/10832064045.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4783/0183/files/16736217550.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_off00005d30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D30 5144 bytes
SHA-256: e124e604677d6d974442dd7c98128c9b5a852be7e05b828503edb1981a2ff2e0
font_01_sfnt_off00006e9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E9A 10564 bytes
SHA-256: 893be589d5556d0edb68c89bc02d71f97aa1fdd5703e5929f0991141f1a5b689

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