Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4bb979c6bb1dc54…

MALICIOUS

PDF

66.5 KB Created: 2020-08-02 13:21:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4be8f719cbed0542bfd0e61f9b04922e SHA-1: fe1cf5d3266df4fbf92a1880b5ff322739519213 SHA-256: a4bb979c6bb1dc54575cbf6765f81272991e79798de43c943caa8ed5b70521b9
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=golden+sun+guide'. Additionally, it exhibits characteristics of a link farm, with numerous external PDF links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL, suggesting a lure for users to click through to potentially malicious content.

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=golden+sun+guide In PDF document text
    • http://files.michaeldepore.com/uploads/1/3/1/8/131856158/a99514a2e609.pdfIn PDF document text
    • http://files.kwbjj.com/uploads/1/3/1/1/131164239/f941d40f93.pdfIn PDF document text
    • http://files.bakedbyromanos.co.uk/uploads/1/3/1/4/131406390/b4204a97.pdfIn PDF document text
    • http://files.growingmindsfarm.org/uploads/1/3/1/3/131379874/3246968.pdfIn PDF document text
    • http://files.childrenscauseoc.org/uploads/1/3/1/4/131408970/bd4224e9.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/1/0435/3405/7621/files/78111826431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6287/8618/files/memorex_cd_label_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7093/0600/files/13152440972.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3488/5796/files/bekuniwamovo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6041/0021/files/javizowuxozikoroxitigoli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7036/5589/files/30319181900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8634/7414/files/xebex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4253/6598/files/70737538349.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2391/7475/files/95627646211.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2571/8678/files/29853830092.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5917/3790/files/49698592615.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/doragewotupepefe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3117/5063/files/lalidukuz.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c835.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC835 4720 bytes
SHA-256: eb498d2e19d34d654bc784874683b5dd46409604a70d15956af55a7638b590a7
font_01_sfnt_off0000d85a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD85A 10228 bytes
SHA-256: d5d958ef6387b7c21d1bc21108bff8d41a5d5617ae6d26540965ebfabdaff0ed