Malicious PDF — malware analysis report

Static analysis result for SHA-256 941252c6ad4d0a4c…

MALICIOUS

PDF

498.4 KB Created: 2022-02-28 13:09:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: f0ecf1c1e24030ff20a9b85ee8ba6614 SHA-1: e992bb910fa363f46c718966bc6f56b83f3e752a SHA-256: 941252c6ad4d0a4c4518cd02048bd9aa30615de5730ee0f851b19440e56c5bf2
166 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1055.012 Process Injection T1204.002 Malicious Link

The PDF document contains multiple embedded URLs that form a link farm, redirecting users to potentially malicious sites. One URL, 'https://ragaz.co.za/XSRYdR1H?utm_term=harlequin+books+online+free', is specifically identified as an SEO redirector for free-download phishing. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely a phishing or trojan delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5547

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.
  • 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.
  • 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=harlequin+books+online+free PDF link annotation
    • http://xn--80aafjbawrcdgsodbdciig4a5v.xn--p1ai/pict/file/81780149160.pdfIn PDF document text
    • https://kurishupally.org/userfiles/file/22084338570.pdfIn PDF document text
    • http://matras-devison.ru/upload/file/3810627356.pdfIn PDF document text
    • https://seger.cz/userfiles/file/sabewevo.pdfIn PDF document text
    • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1620fc11245a60---33614072024.pdfIn PDF document text
    • http://ashop.26srv.de/entwicklungsumgebung/ashop/user_ashop/cms_images/files/25115702386.pdfIn PDF document text
    • http://lenosada.sk/editor_uploads/files/65261165419.pdfIn PDF document text
    • https://sanipacific.com/attachment/file/31650009539.pdfIn PDF document text
    • http://adec-interiors.net/Uploads/file/zidoro.pdfIn PDF document text
    • https://yapluka-services.fr/userfiles/file/19245419123.pdfIn PDF document text
    • http://0228339500.kad.tw/kads/ckfinder/userfiles/files/nediduwad.pdfIn PDF document text
    • http://sltd728.chinalandscapes.com/data/attachment/file/37787372914.pdfIn PDF document text
    • http://rztria.ru/kcfinder/upload/files/67910453439.pdfIn PDF document text
    • http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/1067089611.pdfIn PDF document text
    • http://bishalfurniture.com/assets/kcfinder/upload/files/70952593790.pdfIn PDF document text
    • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/162130ac06e948---86776632725.pdfIn PDF document text
    • http://humidorio.de/ckfinder/userfiles/files/20929496852.pdfIn PDF document text
    • http://songhandiban.com/uploadfile/file/2022020315433473499.pdfIn PDF document text
    • https://beds.lifelinecenters.com/news_items/file/vifizesopagodel.pdfIn PDF document text
    • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161fca352936f4---wobipigavijupesesu.pdfIn PDF document text
    • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/5b1002c20899c4c0487d1e24f43ad416/noparamuparedujogorejiz.pdfIn PDF document text
    • http://metabolitplus.ru/files/file/fejipipojonamufilub.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_off00075660.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75660 20172 bytes
SHA-256: 542b014ae87ddde4d568daded62a3b8e288f52ef47dd7d63e934df94c046b437
font_01_sfnt_off00078b07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78B07 10580 bytes
SHA-256: 2878242f13c59080f4d68f5c1c124a8ab0c8779bf3a09169ef609a7f94b9030a
font_02_sfnt_off0007a338.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A338 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9