Malicious PDF — malware analysis report

Static analysis result for SHA-256 6078fc85732fe303…

MALICIOUS

PDF

47.3 KB Created: 2020-08-26 08:08:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d552ad314849422256e37ac25e266673 SHA-1: c19d238e5cffd7cdea022fd2c3af1384b1d2c427 SHA-256: 6078fc85732fe303e4453a67d84bf1cf49ac590cbe6a3fd253979ff34ba6cf96
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link farm with numerous embedded URLs, many of which point to Shopify-hosted PDFs. A primary URL, https://ttraff.link/pify?keyword=adobe+flash+player+12.0+apk, is identified as a malicious redirector, likely leading to a payload download disguised as an Adobe Flash Player update. The ML classifier strongly supports the malicious nature of this PDF.

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.link/pify?keyword=adobe+flash+player+12.0+apk In PDF document text
    • http://files.clarebrock.com/uploads/1/3/2/6/132681558/7eb1996a4410b.pdfIn PDF document text
    • http://files.optimizedcompounds.com/uploads/1/3/0/7/130776817/jujibezen.pdfIn PDF document text
    • http://files.tagis.pt/uploads/1/3/1/1/131164122/4731765.pdfIn PDF document text
    • http://files.siochantafarm.com/uploads/1/3/0/9/130969370/6523947.pdfIn PDF document text
    • http://files.takejake.org/uploads/1/3/2/6/132682899/6881212.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/1/0431/0636/9703/files/curacion_de_cateter_venoso_periferico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7291/2549/files/39541798126.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0763/1779/files/96951308152.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3001/2316/files/149448707.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0899/1140/files/vubegavikebezud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7318/3643/files/kudokizunuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5383/2609/files/image_asset_android_studio_3._0.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5163/8175/files/safix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5335/6955/files/field_attachment_report_sample.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1474/8322/files/liwelobijof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2243/3953/files/zeruwivowur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9207/3895/files/70158130017.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_off0000777b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x777B 5780 bytes
SHA-256: d94ff6d882baea4b1521cb995bcbc421678274516ca45b3b9f730d4a79c5bfdf
font_01_sfnt_off00008b30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B30 10852 bytes
SHA-256: 2b67e9ce68572272e20b722d2cfafc4c718c213749d516bee049bbf64f4bd12d

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