Malicious PDF — malware analysis report

Static analysis result for SHA-256 5527a237f80c0161…

MALICIOUS

PDF

175.7 KB Created: 2022-03-31 02:04:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-19
MD5: fa034330b2eff1714fd7638884eb31fa SHA-1: e3be4dd46a732d877c04eb552584e73e07feed5b SHA-256: 5527a237f80c016167ce0b4a01f31cc92979e698442aec170b75dd4827e69911
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7703

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.
  • 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.
  • 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 http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1620575d461a34---52517329139.pdf In PDF document text
    • https://nazoxuja.weebly.com/uploads/1/3/2/8/132814973/xagugagaza_petobatavubor_dimokopadozis.pdfIn PDF document text
    • http://hmed.vn/upload/files/paloxufufizojamevumegef.pdfIn PDF document text
    • https://tawozajoruje.weebly.com/uploads/1/3/4/3/134314125/cd9fc27.pdfIn PDF document text
    • https://sasugitakog.weebly.com/uploads/1/3/4/6/134651708/6c4978331388.pdfIn PDF document text
    • http://tesorosdelayer.net/imgs/images/files/galawuguve.pdfIn PDF document text
    • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/2a42fbeb06f62c5e6d7c63d0b23feb90/wezadonusanafipagiwaru.pdfIn PDF document text
    • https://nopefulewipedu.weebly.com/uploads/1/3/4/3/134314682/sepelujazoka.pdfIn PDF document text
    • http://www.admion.cz/upload/files/ribaguwofasuxutepujurujif.pdfIn PDF document text
    • https://gupuletafajural.weebly.com/uploads/1/3/0/7/130776102/xibeluxow-buwibejepewure-xebiwaga.pdfIn PDF document text
    • https://takixonit.weebly.com/uploads/1/3/4/8/134899966/zibasozadidawa.pdfIn PDF document text
    • https://wimowago.weebly.com/uploads/1/3/0/7/130775393/5974064.pdfIn PDF document text
    • https://fosevikotik.weebly.com/uploads/1/3/1/6/131637163/fe7d0a5d.pdfIn PDF document text
    • https://fomukudir.weebly.com/uploads/1/3/4/4/134403856/5381134.pdfIn PDF document text
    • https://pansky.ru/UserFiles/File/44669474346.pdfIn PDF document text
    • https://bisenazogogo.weebly.com/uploads/1/3/4/6/134686343/sekazojug-risojoxesobex-takebafugidased-dogopezof.pdfIn PDF document text
    • https://nexudusuje.weebly.com/uploads/1/3/0/7/130740550/2365912.pdfIn PDF document text
    • https://wixiwifutavoma.weebly.com/uploads/1/3/5/3/135301275/4835176.pdfIn PDF document text
    • https://buyafranchise.org/files/files/75319006660.pdfIn PDF document text
    • https://centralcms.coodex.net/galeria/files/53370305313.pdfIn PDF document text
    • http://aucoindeshalles.com/menu/file/99924551936.pdfIn PDF document text
    • https://www.prashantgroup.com/admin/kcfinder/upload/files/namizejosivukimaxewadosog.pdfIn PDF document text
    • http://dar-tom.pl/userfiles/file/kofasozexopuzuf.pdfIn PDF document text
    • https://acconpriti.com/ckfinder/userfiles/files/48422130894.pdfIn PDF document text
    • https://bupagaxeni.weebly.com/uploads/1/3/4/7/134706040/3748164.pdfIn PDF document text
    • https://jubiwaxu.weebly.com/uploads/1/3/4/6/134645567/090da94c2fa6.pdfIn PDF document text
    • http://davostravel.com/upload/files/zugumuridematijibepenesam.pdfIn PDF document text
    • http://due.pt/js/ckfinder/userfiles/files/17072748819.pdfIn PDF document text
    • http://laser-piskovani.cz/democms/userfiles/file/51542877663.pdfIn PDF document text
    • http://lor-rostov.su/userfiles/files/91851851122.pdfIn PDF document text
    • https://sooclose.mssc.pl/upload/File/wedowoduwudekeva.pdfIn PDF document text
    • https://pibemalogodozod.weebly.com/uploads/1/3/2/6/132681910/lokotifob_gemavifabaxowo_rukibitun_jibikojelo.pdfIn PDF document text
    • https://ucknef-basket.fr/images/files/47483793445.pdfIn PDF document text
    • https://jnnjhansi.com/userfiles/file/42762072705.pdfIn PDF document text
    • https://viriveladivi.weebly.com/uploads/1/4/1/2/141249810/vidabidax_dipojedabikopa_futorarovibapu_roxutefir.pdfIn PDF document text
    • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16212e184178d2---mazonuzedokorirejudoxigi.pdfIn PDF document text
    • https://cafij.co.za/XSRYdR1H?utm_term=hp+photosmart+5510+driver+downloadPDF link annotation
    • http://klsele.com/userfiles/file/1647474317.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_off00024b78.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00024b78.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024b78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24B78 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00026298.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x26298 11108 bytes
SHA-256: 5aa0697863bb1e910139b65c7bd9c05e39955e1326f403a3f87f40ad39633eec
font_02_sfnt_off00027c68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x27C68 18744 bytes
SHA-256: 7707cd58a98a54921d52eedeedb8399707d1b95d592c9b8614acc92c9ec879cc