Malicious PDF — malware analysis report

Static analysis result for SHA-256 e488bd24cc27bb04…

MALICIOUS

PDF

60.4 KB Created: 2020-08-12 04:48:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c857e3651a420cc83b6fd20514ae20c8 SHA-1: 90fd18fc945d3bed8b45bd44b67db603e013fc05 SHA-256: e488bd24cc27bb042fbf333c0d518d56b0d63dc5db5a3e2deb0577605d46991e
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains the text 'Que es el capitalismo equipo maiz pdf' and the malicious URL, suggesting a lure to trick users into visiting potentially harmful sites. The ML classifier strongly supports the malicious verdict.

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=que+es+el+capitalismo+equipo+maiz+pdf In PDF document text
    • http://files.ronrash.com/uploads/1/3/1/1/131163788/2392257.pdfIn PDF document text
    • http://dagavovip.portchteatogo.com/uploads/1/3/0/8/130814328/zulonitomazijesipig.pdfIn PDF document text
    • http://files.kdyllon.com/uploads/1/3/1/6/131606128/jatemi_pudajamijejaj_pedifetu_vesemunanibino.pdfIn PDF document text
    • http://tojavazon.positivefocushawaii.com/uploads/1/3/1/4/131438225/sufupeb.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/1/0432/5693/8646/files/dimituretigivumuteba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7628/7648/files/lezege.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/neopets_shop_layouts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3179/5624/files/40800376096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2104/0792/files/spotify_hosts_file.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0556/6366/files/29283025299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5114/7679/files/vetosabiwutudonopupuso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1725/6603/files/36030047356.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0934/2614/files/xujofituwegekujidimuminos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5490/8071/files/86864932431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4016/9366/files/behavior_modification.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3094/4671/files/xofobumugililuxupemi.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_off0000a9b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA9B8 5444 bytes
SHA-256: ab1be4a6400a3a5cf8d98e39013da20d7c4726f3a43b91b5b476c21666aec91c
font_01_sfnt_off0000bc39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC39 11836 bytes
SHA-256: f30512ebd91e26e0d834c9c024a3c5505dee93a070ce91dc58da11d6f310387f

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