Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7bd143b2770883…

MALICIOUS

PDF

83.2 KB Created: 2022-02-15 02:34:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 05ab57ec4042b2333791c9e26d9d0c43 SHA-1: 7f5cf3635324172272118e3108266e49c8febe0c SHA-256: cd7bd143b2770883cfa8ad473d18996f833e9062fd8ac1c2d3d9193fa8e8ead8
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9754

Heuristics 7

  • 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 link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 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://lovig.co.za/XSRYdR1H?utm_term=shiv+bhajan++bestwap PDF link annotation
    • https://merohamro.com/ckfinder/userfiles/files/41418021310.pdfIn PDF document text
    • http://paolacaone.eu/userfiles/files/19231426584.pdfIn PDF document text
    • https://cepsagibyachtfuels.com/images/photos/In PDF document text
    • https://www.nutfruit.org/js/admin/ckeditor/plugins/kcfinder/upload/files/makirikiribiroregu.pdfIn PDF document text
    • https://soosekszer.hu/upload/files/30373624788.pdfIn PDF document text
    • http://guss-ex.de/uploads/fck/file/benonorabevuzupini.pdfIn PDF document text
    • http://isotope3.pm-ural.com/uploads/files/noduze.pdfIn PDF document text
    • http://am-assets.com/aom/magnolia/userfiles/file/riwenaxuxopexeno.pdfIn PDF document text
    • http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/2021111047388534.pdfIn PDF document text
    • http://ijdssymposium.eu/upload/90796571523.pdfIn PDF document text
    • https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/lazoxizifenodizowamiw.pdfIn PDF document text
    • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161b7f7c9466f3---dobegi.pdfIn PDF document text
    • http://artpolinakuzina.ru/pict/file/33998358058.pdfIn PDF document text
    • http://runwellconsulting.com/file/file/bamajaregafikipojup.pdfIn PDF document text
    • https://jogamiskolc.hu/ckfinder/userfiles/files/66082424002.pdfIn PDF document text
    • http://tizianaiberti.it/userfiles/files/zadofenozasonaje.pdfIn PDF document text
    • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/2ff49346db2e4d1da1c9b1821b815282/94851789617.pdfIn PDF document text
    • https://xn--pssa17sw71b.tw/upimages/files/91520760859.pdfIn PDF document text
    • http://gndpta.eu/news_objects/files/31692861487.pdfIn PDF document text
    • http://senkardeslerkereste.com/kcfinder/upload/files/46873379001.pdfIn PDF document text
    • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/927pd5nvsr0o0dbdisie7c7re1/fagixevigak.pdfIn PDF document text
    • http://net-work.cz/data/file/64704815291.pdfIn PDF document text
    • http://argyleliquidations.com/userfiles/files/28198798836.pdfIn PDF document text
    • https://matratva.in/userfiles/file/kigafo.pdfIn PDF document text
    • http://esistore.com/userfiles/file/fexavurix.pdfIn PDF document text
    • http://rungruangsteel.com/public/upload/userfiles/files/zuwabonenegopelujukam.pdfIn PDF document text
    • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b1fb16e6fdc---barekaruwebefonox.pdfIn PDF document text
    • http://igigeothermal.jp/userfiles/file/pirevoginasilipigigetizu.pdfIn PDF document text
    • http://mfcwestenkwartier.nl/beta/userfiles/file/rupojonifaku.pdfIn PDF document text
    • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/0degr6vqiri3o43p6u3fncil27/16292919095.pdfIn PDF document text
    • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16188b6f63930d---puzupegusidigenepiwom.pdfIn PDF document text
    • https://myarchitect.es/ckfinder/userfiles/files/suguj.pdfIn PDF document text
    • https://myoffice.acqualive.com/uploads/files/99877645260.pdfIn PDF document text
    • http://mosvag.ru/img/lib/file/54499403715.pdfIn PDF document text
    • http://phutungototuanphat.com/img-tvdl/files/62496864001.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bfaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBFAA 22224 bytes
SHA-256: acc288a04f976daf91ced39ce2235be67ab2f2cff3509edc6d8a4004d80d88e7
font_01_sfnt_off0000f8c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8C1 10580 bytes
SHA-256: bdda056ff06b8ab82cefb207110a0ebc4943f6366edccd3dc97a78a58c8d3006
font_02_sfnt_off000110ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x110AB 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_03_sfnt_off000127c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x127C5 16268 bytes
SHA-256: f063e96b3b083897171cfc531021e5af877ad8906cd8b821cf436b7b9967938c

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