Malicious PDF — malware analysis report

Static analysis result for SHA-256 c4c8c0ea4e5ec537…

MALICIOUS

PDF

493.7 KB Created: 2022-05-07 20:05:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-04
MD5: 5076af42d25981e1552d5a34bb6abc19 SHA-1: d69d929f4b0f3c6a39aa0e0d15a193ab97b42315 SHA-256: c4c8c0ea4e5ec537274bb58f68f1a2f6a2336e5ea96d58e4342ab6a67fac3a63
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5456

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
  • Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
    Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
  • 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.
  • 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://fecuq.co.za/XSRYdR1H?utm_term=labour+and+industrial+law+notes+pdf+format+download PDF link annotation
    • https://losebevaxefot.weebly.com/uploads/1/3/5/3/135347065/xefozafunul_sanexazi_simutifedodanad.pdfIn PDF document text
    • http://goplayer.net/fil/ckFiles/files/kibusikob.pdfIn PDF document text
    • http://bandodesign.com/assets/ckeditor/kcfinder/upload/files/tusizonuvinopesesiw.pdfIn PDF document text
    • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/1f9ff42deb55819c169d28fe37c85566/80087736081.pdfIn PDF document text
    • https://mobisikude.weebly.com/uploads/1/3/1/6/131606420/fd0eb71edf7d1.pdfIn PDF document text
    • http://conepe.org.br/public/ckeditor/kcfinder/upload/files/95265811223.pdfIn PDF document text
    • https://vevusivo.weebly.com/uploads/1/3/0/8/130874001/11409f.pdfIn PDF document text
    • https://myclubowners.com/userfiles/files/litebiv.pdfIn PDF document text
    • http://almar-bus.pl/userfiles/file/46083117479.pdfIn PDF document text
    • https://izyskately.ru/foto/ck/files/bawejopusajajedevudenobaw.pdfIn PDF document text
    • http://gotoippc.com/ckfinder/userfiles/files/sefojafuvow.pdfIn PDF document text
    • http://pincailight.com/zk/UploadFile/file/2022021023174473499.pdfIn PDF document text
    • https://msiutilities.net/documents/17219809647.pdfIn PDF document text
    • https://xabiwavozan.weebly.com/uploads/1/3/4/0/134012294/nelodibix.pdfIn PDF document text
    • https://shastriratanchatterjee.com/ckfinder/userfiles/files/lejapafozutekuzejapupere.pdfIn PDF document text
    • https://www.dogruadimlar.com/admin/production/ckeditor/kcfinder/upload/files/74948302000.pdfIn PDF document text
    • https://tosulabemolajeg.weebly.com/uploads/1/3/1/8/131871730/kusixesir.pdfIn PDF document text
    • https://bugagage.weebly.com/uploads/1/3/5/3/135330359/2834062.pdfIn PDF document text
    • https://paratokoke.weebly.com/uploads/1/3/0/7/130739311/vevavenuj.pdfIn PDF document text
    • http://oilwell.pro/uploads/files/23920452719.pdfIn PDF document text
    • https://duocvinhkim.com/userfiles/file/32300301322.pdfIn PDF document text
    • http://brandorbit.in/userfiles/file/ziwuvuri.pdfIn PDF document text
    • https://ludutuwe.weebly.com/uploads/1/3/4/6/134687162/e3a2ea123a459.pdfIn PDF document text
    • http://autovoda.ru/upload/files/ravikegajugakabovodew.pdfIn PDF document text
    • https://xuvarilanagore.weebly.com/uploads/1/3/4/4/134470983/goxukizid.pdfIn PDF document text
    • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/021e5319a189e49ee5ef3b9954cac017/63935460274.pdfIn PDF document text
    • http://ateliergermain.net/sites/default/files/file/90702063382.pdfIn PDF document text
    • https://xuzajigafekaba.weebly.com/uploads/1/3/4/5/134584338/0f1bc04440fa.pdfIn PDF document text
    • http://ylwjx.yun2u.cn/upload/files/5282587758.pdfIn PDF document text
    • https://melnikhouse.com/userfiles/file/93882324647.pdfIn PDF document text
    • https://pulosonimoge.weebly.com/uploads/1/3/0/7/130739093/7456029.pdfIn PDF document text
    • https://salondumariagededijon.com/userfiles/file/rutubusavisetuj.pdfIn PDF document text
    • https://advokati-ufa.ru/uploads/files/xulazenebibebonamasu.pdfIn PDF document text
    • https://yiaiwang.com/upload/files/fajivule.pdfIn PDF document text
    • http://dzirerealtors.com/uploads/tetojigufawosi.pdfIn PDF document text
    • http://teewer.mn/ckfinder/userfiles/files/godopafon.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 extracted file (font_00_sfnt_off0007480a.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0007480a.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0007480a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7480A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0007601c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7601C 17200 bytes
SHA-256: ad1d14a7c9d25d376c0b70435b29e4f5c3b9c306e0a7c7cba591c259cbc95289
font_02_sfnt_off00078d1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78D1D 10940 bytes
SHA-256: d41191c5cef887b87db3347907c8a678743ac2a7d4f0d196eee57557dbbc14f8