Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3c6d0f585b7c3e0…

MALICIOUS

PDF

46.4 KB Created: 2020-08-14 17:11:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cd769b3309311ea1d47e33dcc40aab04 SHA-1: 9cafc9a14d3be1ea7b447a113df9ea263c2a3005 SHA-256: f3c6d0f585b7c3e005f8353fec62b8d1b8034b89fe437e435ed295d9ce0c6994
202 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=band+of+brothers++kickass'. Additionally, it exhibits a PDF link farm behavior, with multiple links to shopify.com and other domains, suggesting an attempt to distribute or obscure malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=band+of+brothers++kickass In PDF document text
    • http://files.tadhgocuirrin.com/uploads/1/3/0/8/130814430/lefesixome.pdfIn PDF document text
    • http://vegubulin.manlyguy.net/uploads/1/3/2/8/132815367/xulopofebixax.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61066914906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4391/2854/files/84099655659.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0749/8647/files/95639517401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5727/4270/files/frustration_aggression_theory.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2569/3845/files/ganonifopizaderonagosevuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7069/3284/files/nalam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9440/8357/files/62441848948.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3333/7768/files/binosogenasigafumotuzarij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4788/6743/files/fugum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4444/6118/files/92467912663.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61B2 5116 bytes
SHA-256: 752489cf64275b1041e82f4e225e7f9a598e8eef0d14c1852bde794b2c5c6ab6
font_01_sfnt_off00007301.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7301 1800 bytes
SHA-256: 51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0
font_02_sfnt_off00007b8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B8F 10312 bytes
SHA-256: 2b71375d2027fc80194fd715068bf3413b6786bf51c9e46351651cd2ce2a9620
font_03_sfnt_off00009ec4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9EC4 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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