Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ece518d7ec48eb7…

MALICIOUS

PDF

119.7 KB Created: 2020-08-01 21:17:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2443e26974d0cc200f76c045856faa27 SHA-1: d820134ab1365269286c7dfa3e9d87ad5ded6b34 SHA-256: 8ece518d7ec48eb7ef9539e26f6909ad2e8e4e7020aa543b6d04d5c3d2d37b61
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating a malicious redirector link and a link farm, designed to lead users to external content. The 'SE_ADVANCE_FEE_SCAM_LURE' heuristic strongly suggests the document's purpose is to trick users into a fraudulent scheme. The primary malicious URL identified is https://ttraff.cc/pify?keyword=heard+em+say+lyrics, which is likely part of the scam's redirection chain.

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=heard+em+say+lyrics In PDF document text
    • http://files.soundwavesak.com/uploads/1/3/0/7/130775195/derukasatejufesuw.pdfIn PDF document text
    • http://files.rioricohistoricalsociety.org/uploads/1/3/1/3/131397981/vagabipi.pdfIn PDF document text
    • http://files.sascwa.org/uploads/1/3/1/4/131452876/6923610.pdfIn PDF document text
    • http://files.medusagoddesshair.com/uploads/1/3/1/4/131437926/1dafe6241b.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/1/0428/9835/8432/files/12410546401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2619/4342/files/rizuvogokibuvufugodikalo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7230/7875/files/78463156276.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7303/6697/files/it_project_manager_resume.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7063/5678/files/pasawezerazuboza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2836/3939/files/kerurajuxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2063/9646/files/imi_jericho_941_r.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5639/0551/files/negipebidaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83142526711.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8668/3037/files/40288894711.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3834/3322/files/56802291495.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00017836.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17836 5148 bytes
SHA-256: 227304acf975ace3c2db03527507b1116fe4e059a8cbe68e24cbf3f6c0ff07e0
font_01_sfnt_off000189a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x189A7 16312 bytes
SHA-256: 5854d8a5ac3ee566977d19049810d1aa9242835853605a5bd46e10d9f650994f
font_02_sfnt_off0001bc7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1BC7D 16120 bytes
SHA-256: 184efd0e138a9418359f6897f9ac56b5cd93cafbd57abf30711ac2aee7e18832

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