Malicious PDF — malware analysis report

Static analysis result for SHA-256 4679b0b51d39732d…

MALICIOUS

PDF

46.5 KB Created: 2020-08-01 16:10:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ae2281680f15f5d065df8a656767e807 SHA-1: 70c88ee672b98d587cbf5e51c0c61d9aa9333510 SHA-256: 4679b0b51d39732d19660b0c77828d1081c9dd56c4d408c41a302eedce45f2f3
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as weather information. The document also features a link farm with numerous external PDF links, many hosted on Shopify, suggesting an attempt to manipulate search engine results or distribute further malicious content. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to redirect users to harmful 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=columbus+ga+weather+hourly In PDF document text
    • http://files.europahistoriarum.org/uploads/1/3/0/7/130775162/c3572.pdfIn PDF document text
    • http://files.akiineventos.com/uploads/1/3/1/6/131606819/bozuxigaposete.pdfIn PDF document text
    • http://files.greensboroholiday.com/uploads/1/3/0/8/130873718/9436149.pdfIn PDF document text
    • http://files.bluelightplayers.com/uploads/1/3/1/6/131636644/4697924.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/1/0431/9127/1586/files/81926693167.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/lidilimulajobetatogaxipaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1236/6229/files/55812805790.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5293/3024/files/sosetozabaki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6495/0945/files/sovoxamizapesamugi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5592/3878/files/73561248976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1438/8888/files/are_ghosts_undead.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9036/8929/files/reravoxitirepexibu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9893/8274/files/6485997954.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5061/4429/files/91024208486.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8100/7255/files/cant_hear_on_discord.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
🗂 Part of campaign: akiineventos.com 3 samples

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000067a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67A5 4476 bytes
SHA-256: 94d5c5205a4da7b652a2b971f3619b50878836d17ef7f0351c5c87cb6dffaf78
font_01_sfnt_off00007759.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7759 5336 bytes
SHA-256: 9504144c3a0f8a492d803624ff362769238719031345cf2142e5cac266e14dda
font_02_sfnt_off00008962.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8962 10204 bytes
SHA-256: 8fc4045e62262f0828e41329c32340cf0d3dbbbb06732cbc58dbb91bf608134a