Malicious PDF — malware analysis report

Static analysis result for SHA-256 782073484784af1e…

MALICIOUS

PDF

79.6 KB Created: 2021-01-30 21:24:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: a311531ac90c063d4590549f2786cad9 SHA-1: bd4c15f9e1a97148442de94e0b89ac03095fcb5b SHA-256: 782073484784af1e53e6748bac09a743a02407f94a87ff7879adac6e6b799e76
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://cctraff.ru/wb?keyword=save%20earth%20save%20us%20mask%20reviews In PDF document text
    • https://cdn.sqhk.co/xozakatupab/hgicgcY/foot_locker_new_york_ny_10003.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418383/normal_5fe19334cda19.pdfIn PDF document text
    • https://talipugetajizan.weebly.com/uploads/1/3/4/8/134862074/vexawufoxoritotiv.pdfIn PDF document text
    • http://changepass.online/71211692601vksx3.pdfIn PDF document text
    • https://fezewozigu.weebly.com/uploads/1/3/4/3/134318815/mexufa_zaronekuwipo_fakonazariwu.pdfIn PDF document text
    • http://citruss.space/zuwisa3owb3.pdfIn PDF document text
    • https://cdn.sqhk.co/gonolesuzam/jjNBzia/shipwrecked_meaning_in_urdu.pdfIn PDF document text
    • http://sluzhba1.net/33609374521fvz2u.pdfIn PDF document text
    • https://boxatikavizag.weebly.com/uploads/1/3/4/6/134680825/6470357.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383915/normal_60075567a09e0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jimanujomubil.epizy.com/android_get_wifi_password_no_root.pdfIn PDF document text
    • https://s3.amazonaws.com/bokofapig/spider_man_hd_photos_free.pdfIn PDF document text
    • https://s3.amazonaws.com/papuja/stranded_deep_free_latest_version.pdfIn PDF document text
    • https://s3.amazonaws.com/laginekux/cyber_hunter_for_ios.pdfIn PDF document text
    • https://s3.amazonaws.com/rogugagatuf/xasexuv.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fa59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA59 5212 bytes
SHA-256: c8ea529b7c4f81f1e3927a63e1fb15763a1cc80ad76f9bb431925381e7dc6876
font_01_sfnt_off00010bfc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BFC 10832 bytes
SHA-256: 88f0e81e7ccfee51de354fa52ef01d3f54a2d2adc411e2c4cb53bc93cf48da3c

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