Malicious PDF — malware analysis report

Static analysis result for SHA-256 74b2c0c1b71c84a8…

MALICIOUS

PDF

66.1 KB Created: 2021-03-05 03:04:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 65d3d6c1a152c8cba4cc23f75a83b71b SHA-1: 1040ac9c4ee567fc0ef19e009f5136c0dc7e9934 SHA-256: 74b2c0c1b71c84a800fd141e081776331dd59decaad9b849f52f1bfafe74f29e
182 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with at least one pointing to known malicious redirector infrastructure. The ML classifier and ClamAV detection strongly indicate malicious intent. The document's structure and embedded links suggest it is designed to lead users to phishing sites or download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9263

Heuristics 4

  • 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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://crophysi.ru/award?keyword=legal+definition+of+fighting+words In PDF document text
    • http://xasedogamif.mypressonline.com/pedusojalobodegiluzepas.pdfIn PDF document text
    • http://gamukanemafutu.mywebcommunity.org/practice_math_word_problems_for_2nd_graders.pdfIn PDF document text
    • https://cdn.sqhk.co/dawafawux/gj2rgiy/cowboy_caviar_with_good_seasons_italian_dressing.pdfIn PDF document text
    • https://cdn.sqhk.co/zuzipogowita/hFiahhA/92242578445.pdfIn PDF document text
    • https://cdn.sqhk.co/puzadowoke/mT1hcBQ/32517520086.pdfIn PDF document text
    • http://midarujiwuvi.mygamesonline.org/what_do_black_ants_symbolize.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366652/normal_603983e4bf6cd.pdfIn PDF document text
    • https://cdn.sqhk.co/lewulula/wujebOh/72567891453.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4493578/normal_602a776fa7e60.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452372/normal_6036b5e9b77f5.pdfIn PDF document text
    • http://zusagukitu.mywebcommunity.org/gagasijafutugipafowiniki.pdfIn PDF document text
    • https://cdn.sqhk.co/malofavu/jcjgSia/gluten_free_pancake_recipes.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465123/normal_5fdad4f1cf632.pdfIn PDF document text
    • https://cdn.sqhk.co/nijusukelok/XjbJB3N/ethereum_wallet_app_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454561/normal_5fc584d19f92e.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/rijaliwiguvex/dejivarotodiwupasuwi.pdfIn PDF document text
    • http://kalotiwinilobiw.epizy.com/65764985518.pdfIn PDF document text
    • http://vumazudu.rf.gd/whatsapp_plus_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/xebuvuwov/2018_movies_hd_tamilrockers.pdfIn PDF document text
    • http://joriboka.epizy.com/university_calculus_third_edition_answers.pdfIn PDF document text
    • http://zelobiliteriwe.rf.gd/33495314150.pdfIn PDF document text
    • http://zobawukesilebaf.epizy.com/33356607658.pdfIn PDF document text
    • https://s3.amazonaws.com/gazijewevan/14648335170.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e08c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE08C 5200 bytes
SHA-256: f5c84924e557716724a4434e2e212309be8f8e71b4a0896c42868a09aa8b8827

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