Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6737010548b7141…

MALICIOUS

PDF

54.5 KB Created: 2020-08-22 04:24:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 880ea90399bbf24bceee9b4d755b88ac SHA-1: 57ea115147008c3d25d31441b325808f7078025f SHA-256: d6737010548b7141591736c94de9bd3035be2bb7975d8ffabf308bd0215d18a5
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'trigeminal neuralgia ppt. pdf' and the malicious URL. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content broadly. The file's primary purpose appears to be redirecting users to malicious infrastructure.

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=trigeminal+neuralgia+ppt.+pdf In PDF document text
    • http://funepotaf.mitchellclark.com.au/uploads/1/3/2/8/132814084/joximim.pdfIn PDF document text
    • http://files.adrianaspina.com/uploads/1/3/1/3/131378838/835a7d092291.pdfIn PDF document text
    • http://files.eastcoastmassage.org/uploads/1/3/0/7/130776542/wefuwef.pdfIn PDF document text
    • http://files.joansantus.com/uploads/1/3/0/8/130814169/tukuk.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/1/0443/6996/9308/files/antibioticos_y_alcohol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1052/2268/files/windows_7_iso_cracked_version.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3330/3976/files/jaduwibeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6781/0726/files/warhammer_40k_8th_edition_imperial_knights_codex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6147/6504/files/dunofuropitewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2375/3635/files/14751964174.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7264/3491/files/duzewotenazaramumugiza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67768868558.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9282/0643/files/personal_statement_sample.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6661/2130/files/ravulafipifuvilikuzugo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3618/0634/files/51690397852.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9280/3744/files/accords_guitare_basse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/9436/8416/files/vabivazumepawumuninitabo.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 8

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_off0000963d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x963D 5164 bytes
SHA-256: 0f4784836de11a602b18513fab76cebe29d14c4e1c4b7d334cecbc115d22ba13
font_01_sfnt_off0000a7ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA7BA 10548 bytes
SHA-256: bf0421b439843b020c60d1192dfc5c1d7dcb22744c4206248e8d0b670acba11f

Open this report in the interactive analyzer, or submit your own file for analysis.