Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f750aba79f2e964…

MALICIOUS

PDF

50.4 KB Created: 2020-08-28 13:54:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 664d9cd8322f03c1cd214c51144e1091 SHA-1: a0bec8595d514abe55c6a8b4eb452852bb439864 SHA-256: 3f750aba79f2e9644ddd75eec9ccb8e6c2a66606e3d49c3458828cb7c4214f53
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link to 'ttraff.club' is flagged as a malicious redirector. This suggests a link farm or SEO poisoning attack designed to drive traffic to malicious infrastructure. The document body contains garbled text but includes the target URL, reinforcing the malicious intent.

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/pify?keyword=no+sugar+no+starch+diet In PDF document text
    • http://files.woods-n-watertrails.com/uploads/1/3/2/6/132682731/walipedover.pdfIn PDF document text
    • http://files.artcreate.org/uploads/1/3/0/8/130874139/vumoxowanaf_bojen.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2067/1400/files/2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1392/3228/files/26987616654.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0138/6920/files/zurijunosanerosatodonudez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8481/5259/files/bahrain_tourist_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1009/7313/files/half-_life_calculator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4952/5156/files/85909699807.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6780/8667/files/66297096446.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7929/3338/files/11415763386.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4782/9156/files/jurnal_pengertian_blanching.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6154/2054/files/minecraft_superheroes_server.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 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007b18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B18 5020 bytes
SHA-256: 7f1506cc689813ea4d53b6ad3b8723edf6c3d4b8e9f4359c8249c0c567d12a1d
font_01_sfnt_off00008c1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C1B 10224 bytes
SHA-256: 505f61985b7652db7550b06f27330a4e2e14de9c58d4ba485616ae402f138380
font_02_sfnt_off0000aee6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAEE6 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

Open this report in the interactive analyzer, or submit your own file for analysis.