Malicious PDF — malware analysis report

Static analysis result for SHA-256 f99a11517c171c94…

MALICIOUS

PDF

198.8 KB Created: 2022-04-13 11:50:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: c8eec8387462f3041718b4bfac6257f1 SHA-1: cdfdd932820f5cc952dc79b5b1c66db5b4ec2259 SHA-256: f99a11517c171c94f26f58d1069d39090573055b1bd81c1b4803bbe941027adb
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and a high-confidence heuristic indicates it is a phishing lure redirecting to a malicious URL. The primary URL, https://cafij.co.za/XSRYdR1H?utm_term=xiaomi+mi+a2+lite+android+10+update, is likely used to trick users into downloading a payload or providing credentials. The embedded JavaScript is likely responsible for initiating the redirection or further malicious actions.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6500

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=xiaomi+mi+a2+lite+android+10+update PDF link annotation
    • https://jokerprod.net/userfiles/file/10536089783.pdfIn PDF document text
    • https://balimalovi.weebly.com/uploads/1/3/2/7/132710770/8fa0dd586bc274.pdfIn PDF document text
    • https://sekekipozikevaw.weebly.com/uploads/1/3/3/9/133997985/laremojomuturir.pdfIn PDF document text
    • https://zumefegipim.weebly.com/uploads/1/3/4/6/134609591/gijulanivok.pdfIn PDF document text
    • https://zugepopudodeg.weebly.com/uploads/1/3/4/6/134688503/8653385.pdfIn PDF document text
    • https://bedapidipofawif.weebly.com/uploads/1/3/2/7/132711979/ximeturotupe.pdfIn PDF document text
    • https://zutetovidum.weebly.com/uploads/1/3/4/4/134463402/ximexam_sesib.pdfIn PDF document text
    • https://wotipivas.weebly.com/uploads/1/3/1/4/131482993/tugadanawepi.pdfIn PDF document text
    • https://wopebodolafov.weebly.com/uploads/1/3/2/7/132741389/dd529dfec43.pdfIn PDF document text
    • https://tituwuvosaladu.weebly.com/uploads/1/3/4/8/134849885/rifolazak.pdfIn PDF document text
    • https://ginamepi.weebly.com/uploads/1/3/6/0/136024017/xupefub.pdfIn PDF document text
    • https://tokoposejod.weebly.com/uploads/1/3/1/3/131380771/gonikiwadi.pdfIn PDF document text
    • https://fugowekarulosom.weebly.com/uploads/1/3/4/7/134700114/xaxogon.pdfIn PDF document text
    • https://vusedezuz.weebly.com/uploads/1/3/4/5/134588652/jewokazamikoro.pdfIn PDF document text
    • https://wulakajif.weebly.com/uploads/1/3/2/7/132740593/2693ba.pdfIn PDF document text
    • https://xikoxuzit.weebly.com/uploads/1/3/4/6/134632277/00a857.pdfIn PDF document text
    • https://roxupexuwukobeb.weebly.com/uploads/1/3/4/7/134749027/votumoper_pexelub_zevanupise_wogidavevipi.pdfIn PDF document text
    • http://xn--b1adrijbbb.xn--p1ai/upload_picture/56604392084.pdfIn PDF document text
    • https://dapoxegimore.weebly.com/uploads/1/3/0/9/130969679/guvuron-nunilume-gowapagatovojo.pdfIn PDF document text
    • https://topas-septiki.com/media-temp/img/uploads/files/fepakelamerazo.pdfIn PDF document text
    • https://gekitudofu.weebly.com/uploads/1/3/4/4/134403565/vuvalaj_fivojufukarivov_dovak_ruzigubemavozut.pdfIn PDF document text
    • https://lafasajuju.weebly.com/uploads/1/3/4/0/134017903/b286cd0.pdfIn PDF document text
    • https://lixabepona.weebly.com/uploads/1/3/4/5/134530066/felutujojoliriz_bafubon_xidodomo_zuwoso.pdfIn PDF document text
    • https://lidafeli.weebly.com/uploads/1/3/4/6/134683499/kidogilinom_wemefexizef_ramezoboz_zolut.pdfIn PDF document text
    • https://ruwofemenir.weebly.com/uploads/1/3/4/0/134040866/b2b267a4.pdfIn PDF document text
    • https://xiduzejeg.weebly.com/uploads/1/3/1/6/131606953/c9863.pdfIn PDF document text
    • http://lk-atomexpo.ru/web/js/kcfinder/upload/files/27310487537.pdfIn PDF document text
    • https://jeretidaker.weebly.com/uploads/1/3/4/5/134595905/turam.pdfIn PDF document text
    • https://novebeze.weebly.com/uploads/1/3/3/9/133997241/6363437.pdfIn PDF document text
    • https://jasofemelufes.weebly.com/uploads/1/3/0/7/130740231/mubopom.pdfIn PDF document text
    • https://biwewonopegad.weebly.com/uploads/1/3/1/3/131380063/ed2a6720a2af386.pdfIn PDF document text
    • https://vupebuxotilejo.weebly.com/uploads/1/3/0/8/130814562/572e0a530.pdfIn PDF document text
    • https://almudenafernandez.co/ckfinder/userfiles/Files/rabilarasopadilatab.pdfIn PDF document text
    • https://jabofewikan.weebly.com/uploads/1/3/1/4/131437477/2794719.pdfIn PDF document text
    • http://www.corazondelsol.es/ckfinder/userfiles/files/timasusa.pdfIn PDF document text
    • http://cn-daomeng.com/upload/userfiles/files/91df40159cc61bb959eb19d846ec5d0d.pdfIn PDF document text
    • https://gafapelisepofas.weebly.com/uploads/1/3/4/7/134762307/tinex.pdfIn PDF document text
    • https://wiselorasen.weebly.com/uploads/1/3/0/7/130739143/5bb82291c5b7e6.pdfIn PDF document text
    • http://lilipoupoli-drama.gr/lilipoupoli/js/ckfinder/userfiles/files/63400022808.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002a7f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7F2 10788 bytes
SHA-256: d04ea5927fd7aa775d58505b4c233a0e660d6c892c86f00950a6bc258f3b7d25
font_01_sfnt_off0002c0c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C0C4 19596 bytes
SHA-256: d7b31bedf2248fb571e8b60dec8e70c5f0e27578a935aaf684350f80018aab0f
font_02_sfnt_off0002f295.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F295 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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