Malicious PDF — malware analysis report

Static analysis result for SHA-256 370b05486bcf591e…

MALICIOUS

PDF

41.0 KB Created: 2020-08-17 17:44:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6a1dff75fb71de371dc51ada8e71d413 SHA-1: afafa552e21314a72bc5ec8f3d378cd95136b4e7 SHA-256: 370b05486bcf591ec67d507f2424e81c915d9f611bbd83f017c236fb8facd650
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing indicating it links to a known malicious redirector at 'https://ttraff.com/pify?keyword=atc+around+the+world+midi'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many pointing to Shopify domains. The document body is heavily obfuscated and contains embedded URLs, reinforcing the likelihood of a malicious redirection attempt. No scripts were extracted from this sample.

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=atc+around+the+world+midi In PDF document text
    • http://files.pastandpresentmedia.com/uploads/1/3/2/7/132740620/7593691.pdfIn PDF document text
    • http://files.sheep.education/uploads/1/3/0/7/130775654/fesil_morokumujudaj_vokiwufokubufov.pdfIn PDF document text
    • http://files.greteltaylor.com/uploads/1/3/0/8/130873876/rapejataj-furexun.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/1/0429/3584/5017/files/35636555653.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4977/1430/files/66601475515.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8345/4871/files/sixokujapimukesolo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6798/8376/files/44963295870.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0821/2638/files/rowajeralisenez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9880/7202/files/60938845428.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3730/2679/files/51974112201.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1653/5720/files/wonezogavikusavizu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2086/0064/files/33344366.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4445/4051/files/95402212184.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0697/5382/files/70531196627.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/4155504299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/1143/5670/files/sociology_book_by_shankar_rao.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004bc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BC5 6588 bytes
SHA-256: c6acebe3750ab55c09714fa1b34f6c70ddae3ce202e1a088ffcbc34adab53285
font_01_sfnt_off00005c3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C3F 5084 bytes
SHA-256: a49fe0d46493cfd3b76128a2f1a072c9e3d8fc9c310f662e681420b07a178a00
font_02_sfnt_off00006d61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D61 13196 bytes
SHA-256: de671c7698221401e2514a3d1e72c3098a0431d6f087ebc7c32a35c1b1d57487