Malicious PDF — malware analysis report

Static analysis result for SHA-256 75cdce2701835258…

MALICIOUS

PDF

40.7 KB Created: 2020-08-23 17:52:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b00a8b6a5a057e4c3f4f07334243ad1a SHA-1: 86ca658653ffa63308cd74363bbd2d682bcb0f47 SHA-256: 75cdce270183525861cee6635fbe25bb46ceea0f0d56a7096fd46663fd357f3d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many of which point to a malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that is also present in the malicious redirector. This suggests the primary purpose is to direct users to malicious content, likely for phishing or malware delivery.

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=bowmasters+mod+apk+unlocked+all In PDF document text
    • http://files.bullbearkidsbooks.com/uploads/1/3/2/6/132681404/medewesiposade.pdfIn PDF document text
    • http://xeleke.sailabilitybatemansbay.com/uploads/1/3/2/6/132696067/e3894.pdfIn PDF document text
    • http://files.en.revesalpins.com/uploads/1/3/0/8/130813409/sivekakodegoraxujok.pdfIn PDF document text
    • http://gugowuw.honorboundco.com/uploads/1/3/0/8/130813821/f6a284.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/1/0431/7567/4024/files/letter_of_claim_breach_of_contract_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5624/1557/files/pufixopid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2794/6904/files/spider_solitaire_for_pc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8170/2303/files/jigaguwobemegawuxut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1421/8143/files/ain_t_no_sunshine_dmx.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2462/9405/files/77417231792.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0936/7461/files/boralo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9044/4445/files/530798828.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/2448/2208/files/88634530308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3391/1705/files/47106079655.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1773/1229/files/books_online_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3864/5144/files/vuzakorera.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_off00006099.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6099 5424 bytes
SHA-256: e75026c9a0a2d9c8f10515f2610444d53497bdfe145047dc5465bd898dde9ab1
font_01_sfnt_off00007300.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7300 10216 bytes
SHA-256: d348f1980aa165e565ae6e40df8de0b5cf971f85cde5976fd1ee3370fcdc81bb

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