Malicious PDF — malware analysis report

Static analysis result for SHA-256 2235264391ba18a9…

MALICIOUS

PDF

43.3 KB Created: 2020-08-14 15:22:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8a5c76e4d6f26bb4d78e025f9ab59787 SHA-1: 0031b538673cf6ecfc5afd0114af2e373a8024dd SHA-256: 2235264391ba18a9c5dbf7e46b58c9849633fe28744202be5dd6b4f5252683d1
194 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, disguised with a lure related to piano sheet music. This indicates a phishing or social engineering attempt to redirect the user to malicious content. The file also contains a large number of external PDF links, many hosted on Shopify, which is characteristic of SEO link farm abuse to obscure the true malicious destination. No scripts were extracted, limiting the analysis of direct payload execution.

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=minuet+in+g+piano+sheet+easy In PDF document text
    • http://danemalin.tmvideoproductions.com/uploads/1/3/0/7/130739561/39464.pdfIn PDF document text
    • http://files.darkartsjason.com/uploads/1/3/1/3/131384169/memizigu-ruzilizanoka.pdfIn PDF document text
    • http://sitinu.wellaholic.com/uploads/1/3/1/3/131398140/munipivobina.pdfIn PDF document text
    • http://rurux.portlandbuckaroos.com/uploads/1/3/1/3/131379255/fafemadopet.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/1/0434/0498/4483/files/82480461049.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5446/4165/files/bomubukidunuzazu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/9142282406.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1369/1799/files/beechen_cliff_sixth_form_dress_code.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8993/5003/files/psi_mod_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4848/5535/files/sigojatobezasezixeletesu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2405/4429/files/58633116683.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7142/2102/files/chromebook_apps_vs_android_apps.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7927/0561/files/lifufos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2076/0741/files/mijikatobevizekafejal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9103/8118/files/bunting_flags_vector_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2885/6477/files/project_on_digestive_system_of_human_body.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7082/5382/files/85761180089.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_off00006983.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6983 5060 bytes
SHA-256: ab2ef0499485f77770202c8ea4c6755c0f714c36da1cf22e4e7104b619d2c591
font_01_sfnt_off00007acd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ACD 11144 bytes
SHA-256: 5b29f788e4232b4ff0fe30871f886f984592369f2c910ac722651772ef9adc81

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