Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0f4408ef9683d7e…

MALICIOUS

PDF

47.9 KB Created: 2020-08-03 20:37:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b40446d379a6dc59ddec95a9bde918f0 SHA-1: 1e2da42777415119847acd390e3e5aecf5a1d39b SHA-256: d0f4408ef9683d7e781369d8d06ba95573319582cf7c83c0b3f81533b966290d
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL is https://ttraff.cc/pify?keyword=shake+hands+with+the+devil+book+pdf, which is likely used to redirect users to a malicious site. The document body, though heavily obfuscated, contains references to the book title and the malicious URL, reinforcing the lure. The presence of many Shopify links suggests a link farm used for SEO poisoning to attract victims.

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=shake+hands+with+the+devil+book+pdf In PDF document text
    • http://files.groverclevelandhs.com/uploads/1/3/0/7/130739777/zudanesabofugos.pdfIn PDF document text
    • http://files.cuppycakesa.com/uploads/1/3/1/3/131381919/xifowub.pdfIn PDF document text
    • http://files.breadoflifelynchburg.com/uploads/1/3/1/3/131398221/peneg.pdfIn PDF document text
    • http://files.thesilvergen.com/uploads/1/3/1/4/131406843/c7722f9f97555.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/1/0448/9786/1787/files/hindu_girl_name_list_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3588/5725/files/susuretowofufozasuxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7614/8638/files/72427470500.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3113/4365/files/sipotirimajirajivobolip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8446/1720/files/68366180405.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6945/7055/files/watijibaxaniber.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1242/1789/files/html_state_dropdown.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9636/7511/files/1775034367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7079/9516/files/fefifefotat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3056/1436/files/48154675178.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3269/9302/files/giweme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9676/8665/files/55403646297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7754/1787/files/4297846126.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 3

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_off00007d1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D1E 5492 bytes
SHA-256: d39e52ec1df6c967f437ab1fc4743d995607ccfa96c935fc3ab8b12be0c08baf
font_01_sfnt_off00008fe1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FE1 10264 bytes
SHA-256: a1b2be9f726b862ce6bfc286488c264f7e5903f7035369685b0c01efa43d7b57

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