Malicious PDF — malware analysis report

Static analysis result for SHA-256 6547afec87293c04…

MALICIOUS

PDF

33.8 KB Created: 2020-08-22 00:55:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 12b1b012f38134bc19c6a38432c9ea39 SHA-1: 8dbff824f73bb164549338b48508fef9756a4986 SHA-256: 6547afec87293c0454accf25101c94ec06b99475b4fe1536f1bb774982b94fe3
194 Risk Score

Malware Insights

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

The PDF contains a link to a redirector infrastructure, identified as a malicious link farm. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the primary purpose is to redirect users to malicious content, likely for phishing or malware distribution.

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.com/pify?keyword=seattle+news+reporters In PDF document text
    • http://masiwiril.theworksremodeling.com/uploads/1/3/2/8/132814975/2cc572ba133dd5.pdfIn PDF document text
    • http://jusejab.davidsolomonjudaica.com/uploads/1/3/1/4/131453215/notubedodopilo.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/1/0433/4472/4133/files/wadubixutexamitifanatune.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9100/8418/files/how_to_change_user_name_windows_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8759/3632/files/68952179647.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9434/3829/files/49448503160.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2852/7776/files/fukujebune.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0108/4064/files/super_mario_maker_2_pc_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0457/6519/7988/files/formation_gratuite_bourse_direct_avis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0835/0615/files/free_download_bible_commentary_niv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7836/6885/files/cumulative_frequency_histogram.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2210/6271/files/42170467658.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4760/8730/files/22246698450.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 2

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_off000047e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47E0 5008 bytes
SHA-256: 453527a4b28f7563520dbc26f372ba84d218a582134106d69bfe8ccd823ffb8a
font_01_sfnt_off00005902.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5902 9888 bytes
SHA-256: f848bbeeb5078bdae8e0ed1dbb23218f05756f87b59b3244a7ba8837dd8fb72a

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