Malicious PDF — malware analysis report

Static analysis result for SHA-256 14fb00edf9e97a13…

MALICIOUS

PDF

46.4 KB Created: 2020-08-24 17:21:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a8f8c5c380710ce6264fbab8f70bd7b8 SHA-1: 0f4fd77757b9418d1d1ed2d609d1dc09cb16e0a4 SHA-256: 14fb00edf9e97a1363174b56da0639834e32eaca0ad724eded940fb7e316ac92
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous links, identified as a link farm, that redirect to malicious infrastructure. Specifically, the URL https://ttraff.ru/pify?keyword=carrom+disc+pool++app is flagged as a malicious redirector. This suggests a phishing or scam attempt, likely using a lure of a free download to entice users to click the malicious link.

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.ru/pify?keyword=carrom+disc+pool++app In PDF document text
    • http://terije.mollysteinwald.com/uploads/1/3/0/7/130738721/fapemakun.pdfIn PDF document text
    • http://kumorusa.ams-florida.com/uploads/1/3/0/8/130873877/3a82d2d24e7367.pdfIn PDF document text
    • http://guvefap.ndsportschannel.com/uploads/1/3/1/3/131379478/wusogepesifefe-timevijatefa-tilijipozoki-xiwawaxariduki.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/1/0432/3901/4562/files/10464159756.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1938/6526/files/gejotifeme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7891/0106/files/ff12_zodiac_age_strategy_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1724/6632/files/mine_wars_texture_pack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8658/3710/files/33602085068.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6955/5356/files/78420095479.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9573/5976/files/gimijapinatabetazonodex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7547/7405/files/70424169365.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/6490/6148/files/60677338523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9503/9905/files/zosekiduniwoninisolafu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/7804/5096/files/cirrosis_hepatica_alcoholica.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005220.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5220 5124 bytes
SHA-256: a9ebdf1b080961b959f9d8ed9355e562cbd63633cb47363bad51252259be8c58
font_01_sfnt_off0000636d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x636D 3736 bytes
SHA-256: aa94f94a49f7cc69be897c53d6999420cccd1457bfdc2ebe02ea749ca160b544
font_02_sfnt_off00007242.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7242 10520 bytes
SHA-256: d4f4ddaabd401538f061113b6994e1e2029ea09f4ddcdd861b9396f245822155
font_03_sfnt_off00009665.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9665 16348 bytes
SHA-256: 999f5b9e24082751e36bf8ce3efc51544f279e2159ab1ce8ad035bddbbd64011

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