Malicious PDF — malware analysis report

Static analysis result for SHA-256 184498173012fb67…

MALICIOUS

PDF

112.1 KB Created: 2020-08-20 00:28:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 05409498c9967bfcb929a140baac2651 SHA-1: 74ca6b23f56fa8ea99509dee1df6fd4b1c9d7faa SHA-256: 184498173012fb6727c52fae45d7e5d6d6c9551783339721cb5c89bfc7c74962
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to an SEO redirector, specifically `https://ttraff.cc/pify?keyword=mapa+metro+bilbao+pdf`, which is flagged as malicious. This suggests a phishing or scam attempt, likely using a lure like 'mapa metro bilbao pdf' to entice clicks. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm designed to drive traffic through the redirector. The ML classifier strongly supports the malicious nature of this PDF.

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=mapa+metro+bilbao+pdf In PDF document text
    • http://files.fitnessfactory1.com/uploads/1/3/0/7/130739567/3499249.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/1/0438/6373/6485/files/27911496397.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4949/9289/files/vanelakofejo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8006/2878/files/52054645796.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1324/2005/files/spinal_cord_injury_assessment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1482/3844/files/ganazipigosatuzazifip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7129/7943/files/20707665700.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1322/6143/files/cuestionario_de_afrontamiento_del_estrs_cae.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4705/0661/files/bluffdale_utah_zip_code.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/9225/7441/files/suwanoxisilavonepoxuwumu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1864/8732/files/77376193729.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8638/1210/files/saxopipirolikemi.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_off00017203.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17203 5156 bytes
SHA-256: cbeec42ca6a43f0abb93c8a87815b880e1bf8e06b721d6dbd63018cbd64b314e
font_01_sfnt_off0001836d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1836D 15880 bytes
SHA-256: dff7253f5200871e7e26fa690206c8103bf98fa166ab69db2c8848e4aedca65d

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