Malicious PDF — malware analysis report

Static analysis result for SHA-256 93339be7e4b4bb8a…

MALICIOUS

PDF

35.1 KB Created: 2020-08-09 11:35:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bb14029d65e7c41d0cbb85ec4e3e74b5 SHA-1: b4b9b1382915b927bfe136c871a221e194bb83b6 SHA-256: 93339be7e4b4bb8a2c616f9e7d542b49ea5a452f367a74f97c5bd0bb76c1d7cf
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body itself is largely obfuscated but contains the primary redirect URL. This indicates a link farm attack designed to lure 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.com/pify?keyword=bacterial+contamination+in+drinking+water+by+testing+sulphide+ion+pdf In PDF document text
    • http://files.myvisiontravels.net/uploads/1/3/0/7/130775978/ca31c86f4cd93.pdfIn PDF document text
    • http://pefig.economicsuniverse.com/uploads/1/3/1/4/131407406/fijuzuwedus.pdfIn PDF document text
    • http://gubozeku.zionlutherandoylestown.com/uploads/1/3/1/3/131380213/3ae1c57.pdfIn PDF document text
    • http://files.ygkcombativesgroup.com/uploads/1/3/0/8/130815277/f380891376.pdfIn PDF document text
    • http://files.danielsitaly.com/uploads/1/3/0/7/130739780/vusajedibom-luvidusalefix-wanekan.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/1/0438/1527/2605/files/78657751251.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/godikuka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0179/1132/files/94150578652.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0599/3375/files/fimigop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5981/4306/files/athol_fugard_blood_knot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6806/2872/files/zizuxidezaredomazutoxan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6879/2732/files/62189859300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3914/6662/files/82632151220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6394/3067/files/papomesutomode.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8514/3965/files/pufijujenifakelixilugolus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2742/3654/files/masuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7917/2257/files/skoda_scala_test_adac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0008/6180/files/44434127504.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 3

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_off000048e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48E9 6016 bytes
SHA-256: 31a6ae69ab663a5e3549db8caea7747d991dfb873712ce097ba381f9ec77bec4
font_01_sfnt_off00005d4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D4E 9784 bytes
SHA-256: 5b461b096e2f97394432eebde21929ad456be0c7a0f1aeb16475d0d791ac6723

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