Malicious PDF — malware analysis report

Static analysis result for SHA-256 39c9222027e9ef36…

MALICIOUS

PDF

41.4 KB Created: 2020-08-20 20:04:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 79c1d969237d4a8afad5daf3f703f3bf SHA-1: a06f901a7bcff0d102a78c1dd523a96511ca5b6f SHA-256: 39c9222027e9ef36ac9b00420674748baad61536187eab93da39f9d2fc776b35
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=columbus+dispatch+sports+reporters'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL and several Shopify-hosted PDF links. The primary attack vector appears to be social engineering via a deceptive link within the document.

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=columbus+dispatch+sports+reporters In PDF document text
    • http://marovul.marvenemewing.com/uploads/1/3/1/3/131378776/1028901.pdfIn PDF document text
    • http://files.nicoleedwardsauthor.com/uploads/1/3/1/3/131379923/92f89.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/1/0430/2834/9085/files/tukilutirosarinikuluziwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3862/2375/files/96640375317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6495/0946/files/korojomadijelalidig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0357/4434/files/tuberculosis_treatment_guidelines_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1908/9566/files/addicted_2017_movie.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7663/9134/files/54737056655.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/5371/1266/files/call_of_duty_mobile_mod_apk_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6249/1286/files/xojuwowobegakemozujup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7314/2933/files/70051162008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/zigir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mozinetesabelenigifil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7266/0390/files/47141045942.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2134/2619/files/free_ielts_reading_practice_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1762/3957/files/blackberry_ringtones_free.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 7

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_off00006227.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6227 5356 bytes
SHA-256: e986f572fa048a14d60cc754928a0a302ed86d6f6875c368aa7d59a1140407ef
font_01_sfnt_off00007427.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7427 10684 bytes
SHA-256: c1c044c6f0a8a3ccb86864861b34b9cd20e4ed527dc923e182c8e334f4c810bb

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