Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4236b9184c326b2…

MALICIOUS

PDF

46.5 KB Created: 2020-08-05 04:13:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6358c4127c6fecc04274eaa6e4766330 SHA-1: f8b4c0541a2febd887aebcf08ea4d6930d39f79c SHA-256: e4236b9184c326b2f0d07695b236cbe42d312b633365d4c33211aec54a2fbf42
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 pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=georges+bernanos+libros+pdf', which is flagged as malicious. This suggests the PDF is designed to act as a link farm, potentially leading users to malicious content or phishing 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=georges+bernanos+libros+pdf In PDF document text
    • http://files.carasoul.com/uploads/1/3/1/3/131384777/nazekemabaro.pdfIn PDF document text
    • http://files.theshiatsustudio.com/uploads/1/3/2/6/132683001/tutomulavo_megovukefulimu_vozurobekarafag_zewezemasugetor.pdfIn PDF document text
    • http://files.stgeorgestbishoyvisalia.com/uploads/1/3/1/4/131407549/rufonimexabe.pdfIn PDF document text
    • http://files.bibicafebakery.com/uploads/1/3/2/6/132695576/679c60869e4.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/1/0435/8563/4463/files/fifiluwovowixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8493/8390/files/31864945401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0638/5573/files/80625166467.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4922/9220/files/32830256523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6535/1075/files/ratadeki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3337/9487/files/kabuxilivigugav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4790/2622/files/sipirapegid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7692/7141/files/dojiludego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7932/7141/files/restore_disk_image_mac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9232/8104/files/19456049885.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3173/2125/files/21950344998.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 8

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_off0000752c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x752C 5380 bytes
SHA-256: c32bceaeec8a8f9b0574cbf7c5d1c78c587e7f44cc008fbb034f961a4eb25d30
font_01_sfnt_off00008785.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8785 11020 bytes
SHA-256: 5f89a2e5c84ef55ec78ed3d527821768b95db735013cfc68abe118ee3d64533f

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