Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f1520617f7e0fe1…

MALICIOUS

PDF

41.2 KB Created: 2020-08-28 15:12:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0c8256624b46ccbcdf1fa2f409a85351 SHA-1: 407e1ef84263b76c9ee37b0d159596b7b8e216b2 SHA-256: 2f1520617f7e0fe11a206296a96f4ead93072d08b3102cceca84f32fd7a67c80
194 Risk Score

Malware Insights

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

The PDF document exhibits characteristics of a link farm, containing a large number of external links. One of these links, 'https://ttraff.cc/pify?keyword=metro+sim+hustle+graphic+content', points to a known malicious redirector. The ML classifier strongly indicated maliciousness, and the presence of numerous links, including one to a malicious redirector, suggests an attempt to lure users to malicious content or manipulate search engine rankings.

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=metro+sim+hustle+graphic+content In PDF document text
    • http://wowedoma.avayogabodywear.com/uploads/1/3/2/6/132683031/356013.pdfIn PDF document text
    • http://files.societyofsaints.net/uploads/1/3/2/3/132302718/sigurofudas-revapaxupoferig.pdfIn PDF document text
    • http://ledagivem.christianfellowshipind.org/uploads/1/3/1/3/131398003/mapimilixekin-vifedivukifubug-nidevax.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/1/0432/3806/4296/files/python_delete_file.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/6948/9560/files/taylor_swift_piano_sheet_music_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3654/0069/files/74193186601.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4103/8229/files/61667024757.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8023/4661/files/wizofilum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9981/4040/files/parchment_paper_sheets_15_x_21.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1126/7990/files/the_birth_of_venus_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5108/0087/files/12610283371.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8938/5888/files/damm_small_linux_iso.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
🗂 Part of campaign: pyester.com 3 samples

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_off0000629d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x629D 5352 bytes
SHA-256: 7eee8549f18a7d6273dcbd11d54038f26c04f71948521ac4ac2007abbe70d2f2
font_01_sfnt_off000074b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74B7 10336 bytes
SHA-256: 5440179a00fe28c4da44e32d8a28b29e7ca4aee813949fb2c49b65a04d350114

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