Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa887258c55928b9…

MALICIOUS

PDF

188.5 KB Created: 2022-02-10 05:17:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 38409e9f096690b77842ea313a4eaf3d SHA-1: 12c9731e7d50b6bb9b13fbd5bbb5b7a0b6738e11 SHA-256: aa887258c55928b977f90a7e8d07bcd59533a3ccac42d6e0d0bfe376a350ba0c
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7815

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
  • 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.
  • 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://ragaz.co.za/XSRYdR1H?utm_term=360+security+antivirus+boost+apk PDF link annotation
    • http://teedinmaesai.com/user_img/file/77562316052.pdfIn PDF document text
    • http://massimobertoarchitetto.com/userfiles/files/15928509087.pdfIn PDF document text
    • http://upakuika.com/img/file/vekisivo.pdfIn PDF document text
    • http://worldnaturalfood.com/image/upload/File/pikumopenomuvijesoxoxog.pdfIn PDF document text
    • https://weyergans-hcc.lv/userfiles/file/rokikapewufe.pdfIn PDF document text
    • http://alimentosldm.com/userfiles/file/totexoligakazozezuvumav.pdfIn PDF document text
    • https://biomisszio.hu/tmp/jarazuzanikukepabu.pdfIn PDF document text
    • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/4faf0b97c465c08880ef4cda6d49ffa5/nizukixavijubilomiko.pdfIn PDF document text
    • http://dogwarts.ru/sites/default/files/file/43178567421.pdfIn PDF document text
    • https://chauphongasia.com/wp-content/plugins/super-forms/uploads/php/files/0ga4hhcc992qb58ovvg6fus01s/62677493085.pdfIn PDF document text
    • http://yournamebadges.com/withyourdog/cms_uploads/file/33088097967.pdfIn PDF document text
    • http://www.77ice.com/upload/files/jijugumex.pdfIn PDF document text
    • http://namngonviet.vn/user-/files/1047172399.pdfIn PDF document text
    • https://cochleartudaskozpont.hu/files/diweniwinel.pdfIn PDF document text
    • http://ideviceplus.nl/app/webroot/files/userfiles/files/pusivanurevipufukuv.pdfIn PDF document text
    • https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/vixujasa.pdfIn PDF document text
    • https://bdprescription.com/ci/userfiles/files/53411629268.pdfIn PDF document text
    • https://presentkompaniet.com/img/content/file/81586572565.pdfIn PDF document text
    • http://www.heksan.com.pl/file/18620619956.pdfIn PDF document text
    • http://www.clc-engineering.com/siteuploads/editorimg/file/16051977436.pdfIn PDF document text
    • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1616cc470e2c1d---55970772328.pdfIn PDF document text
    • http://zs-oilfieldequip.ru/d/files/42863636093.pdfIn PDF document text
    • https://inflexi.com/kcfinder/upload/files/29023481271.pdfIn PDF document text
    • https://photojet.net/userfiles/file/36827933667.pdfIn PDF document text
    • https://rivieresoceanie.com/ckfinder/userfiles/files/63831259932.pdfIn PDF document text
    • https://dragonexpressml.com/userfiles/files/daduwedalawer.pdfIn PDF document text
    • https://cbconsulting112.ca/userfiles/files/jaline.pdfIn PDF document text
    • https://reparationmobile.net/userfiles/file/71327656408.pdfIn PDF document text
    • http://dh-cell.net/ckfinder/userfiles/files/puvizenufepurena.pdfIn PDF document text
    • https://www.ekometal.com/kcfinder/upload/files/fumubotovavu.pdfIn PDF document text
    • https://blsautomation.com/ckfinder/userfiles/files/xibamoguzusitimofuluf.pdfIn PDF document text
    • http://cttinteriery.cz/files/upload/files/ledogaputepogido.pdfIn PDF document text
    • http://posekatzahradu.cz/files/file/wetetevipumate.pdfIn PDF document text
    • http://sunpix.ru/img/lib/file/tuwaregolotoba.pdfIn PDF document text
    • https://filetorme.com/upload/files/tikevarevaruje.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_off00028639.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x28639 16800 bytes
SHA-256: d50e2a2c336be58008826507e010bd4b715e966019fc8e734f669901438242e4
font_01_sfnt_off0002b0be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B0BE 11200 bytes
SHA-256: e6d1b4ca91c9d56f2cbb504cfe0b5b9742ebba31da286e8fad7c3b439fc68a0b
font_02_sfnt_off0002caed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAED 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9