Malicious PDF — malware analysis report

Static analysis result for SHA-256 0537760d84205f8a…

MALICIOUS

PDF

47.8 KB Created: 2020-08-24 18:08:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 88e554050da91843728bd41bef717862 SHA-1: f230b214081a2a2fbe07a0c7b26cdab5ae8afe55 SHA-256: 0537760d84205f8a6749f467acbee4b1373dffdd3ffc557b7c2bf612ed275ba4
194 Risk Score

Malware Insights

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

The PDF contains embedded links and a document body that attempts to disguise a malicious redirector URL as 'Michelle beatles sheet music'. The primary malicious URL, 'https://ttraff.cc/pify?keyword=michelle+beatles+sheet+music', is identified as a known malicious redirector. The document also contains a link farm of 26 PDF links, many hosted on Shopify, suggesting an attempt to manipulate search engine results or distribute further malicious content.

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=michelle+beatles+sheet+music In PDF document text
    • http://files.duocantoijurko.com/uploads/1/3/1/4/131408788/motifitidiw.pdfIn PDF document text
    • http://files.movingtosantodomingo.com/uploads/1/3/1/3/131378838/pijenajuki.pdfIn PDF document text
    • http://botipotat.zenofchemistry.com/uploads/1/3/1/6/131637830/tamojubakavum.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/1/0433/0687/7080/files/datufezon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9557/9029/files/isometric_drawing_procedures_autocad_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1959/7981/files/89004632125.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3799/8754/files/gagojunejiregavegig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3449/9493/files/algorithms_in_c_programming.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7427/3948/files/45198421981.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/1455/3506/files/ajahn_chah_books_sinhala.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5461/1102/files/mediastinum_adalah.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9350/5688/files/organic_chemistry_klein_2nd_edition_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9503/8877/files/vokinuzodakegazurumojir.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_off00007d02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D02 5088 bytes
SHA-256: 4f8d7f351051e3764a7357837115c0a2925c703007225de1089dc6a198d42586
font_01_sfnt_off00008e29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E29 10552 bytes
SHA-256: 2f338c6e223ee4f5529e0ef9bb4a62b18f98bcc4ddd10457e3147aa94be47f17

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