Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a1172313ffcbcc6…

MALICIOUS

PDF

369.3 KB Created: 2022-02-07 08:08:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-31
MD5: 8c85cea8f5b381606fa16fb79dd5a807 SHA-1: 0283c8a1b53f0d438527ca5c3d183f3d04f5c9b1 SHA-256: 5a1172313ffcbcc62cc6fd092787c75a9fbc6169a1fb7803eb909f0f3eaca012
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8080

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
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://cafij.co.za/XSRYdR1H?utm_term=angry+birds+rio+game++apk PDF link annotation
    • http://fiumaradelsossio.it/userfiles/files/98018882075.pdfIn PDF document text
    • https://accessnepal.org/userfiles/file/xilupefagopepodew.pdfIn PDF document text
    • https://albawadiroad.com/userfiles/files/34245478748.pdfIn PDF document text
    • http://china-zub.ru/userfiles/file/47686769469.pdfIn PDF document text
    • http://songdolandmarkcity.com/userfiles/file/36298700306.pdfIn PDF document text
    • http://y-mirai.biz/js/kcfinder/upload/files/64316325313.pdfIn PDF document text
    • https://mywayrtk.com/userfiles/file/malovixezilixaxuzitavurix.pdfIn PDF document text
    • https://brawlcall.com/ckfinder/userfiles/files/kademegevimeko.pdfIn PDF document text
    • http://viajaconsciente.com/imagenes/userfiles/file/gikejibuvenipuxewutomi.pdfIn PDF document text
    • http://momsystem.ru/public/file/45182689813.pdfIn PDF document text
    • https://podimercrm.com/img/files/rokowinew.pdfIn PDF document text
    • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/3b719b27f16a3d76311abf6dcfb949f0/xapefibesugepijemegal.pdfIn PDF document text
    • http://ylplj.com/ckfinder/userfiles/files/79219635509.pdfIn PDF document text
    • http://sun-tes.ru/files/file/bumamivigivanem.pdfIn PDF document text
    • http://www.lovebliss.tw/UserFiles/files/28304525463.pdfIn PDF document text
    • http://architetturaurbanistica.it/userfiles/files/89592337051.pdfIn PDF document text
    • http://hoya-system.com/uploads/files/202112080403127622.pdfIn PDF document text
    • https://calmoinc.com/upload/editor/file/93401112884.pdfIn PDF document text
    • http://biancoacolori.it/userfiles/files/80673989013.pdfIn PDF document text
    • http://eis-pieschel.de/UserFiles/File/vadetonavajebupepaje.pdfIn PDF document text
    • http://apnm.indexint.net/ckfinder/userfiles/files/relebovujowe.pdfIn PDF document text
    • http://janaturismointegrato.com/uploads/file/dopoluvilaxabadowe.pdfIn PDF document text
    • https://www.mmgrowersg.com/ckfinder/userfiles/files/52164041424.pdfIn PDF document text
    • http://nakamurasangyou.jp/app/webroot/uploads/files/89139468850.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://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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055915.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55915 18088 bytes
SHA-256: a85a9d6df17f330258d52f4f96d603656324fc38f043c56568c59fe4ae1dce6f
font_01_sfnt_off000586f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x586F5 10916 bytes
SHA-256: a710b5ec6543a5f35f38279540027fabe9300204eb5cce8ddc2dde7d6426a529
font_02_sfnt_off00059fd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59FD2 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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