Malicious PDF — malware analysis report

Static analysis result for SHA-256 941479f5cd532cd1…

MALICIOUS

PDF

257.6 KB Created: 2022-02-12 10:20:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: 35fc6340fd9e2ef1f782335bd1ef4014 SHA-1: 073ed7d5b5f6d1f13744354088a1bf1eaf17e464 SHA-256: 941479f5cd532cd17871f630f167970f6e5dcd340a9b68626f288b8e1e8fca02
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF contains embedded JavaScript and multiple external URLs, indicating it is designed to lure users into downloading further malicious content. The presence of SEO redirector links and compromised CMS upload links suggests a phishing or malware distribution campaign. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7728

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
  • 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.
  • 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://fecuq.co.za/XSRYdR1H?utm_term=gmetrix+answers+key+photoshop PDF link annotation
    • https://discovery99.com/userfiles/file/12281078273.pdfIn PDF document text
    • https://eminentland.com/admin/userfiles/files/64684187133.pdfIn PDF document text
    • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a0479b77a53---lijinosusobalofi.pdfIn PDF document text
    • https://gastriklandsbf.se/UserFiles/files/17171804772.pdfIn PDF document text
    • http://jcbcharpentebois.com/ressource/site-image/files/fijunejemo.pdfIn PDF document text
    • http://www.web-globus.de/ckfinder/userfiles/files/vozot.pdfIn PDF document text
    • http://antwerp-reefer-tournament.be/argt/files/dawasi.pdfIn PDF document text
    • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/6da346da8174577a3aab129dc01159f8/lasaxawoxokir.pdfIn PDF document text
    • http://3mfa.com/images/editor/files/4817798056.pdfIn PDF document text
    • http://malovanesklomh.cz/images/file/59026136837.pdfIn PDF document text
    • https://eliteplacementagency.com/uploads/files/xufewogi.pdfIn PDF document text
    • https://www.yamanosake.com/js/kcfinder/upload/files/vegijamu.pdfIn PDF document text
    • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1619126f178d0b---1673494772.pdfIn PDF document text
    • http://indagosrl.it/userfiles/files/36884839845.pdfIn PDF document text
    • http://fuyu.010bi.com/ckfinder/userfiles/files/pajikipuwesuniwezajutos.pdfIn PDF document text
    • http://fcms.nl/KCFinder/upload/files/80129659560.pdfIn PDF document text
    • https://leciv.fr/uploads/FCK_files/file/51333032324.pdfIn PDF document text
    • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161d847a705813---moxufubagu.pdfIn PDF document text
    • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/0657b37bb7950e992e054cbe36d95806/zenarozo.pdfIn PDF document text
    • http://446888.top/userfiles/file/63153396918.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161c682f089067---remuwomomaton.pdfIn PDF document text
    • http://flooroverstock.com/admin/userfiles/file/kixenuxo.pdfIn PDF document text
    • http://timebymtm.com/upload/files/zuvapozelixosu.pdfIn PDF document text
    • https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/diwasululij.pdfIn PDF document text
    • https://m-isc.com/userfiles/file/39520062332.pdfIn PDF document text
    • https://scapetime.net/images/website/user/files/sawunaritov.pdfIn PDF document text
    • http://kjphotocon.org/data/userfiles/files/kalotupimu.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_off000398c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x398C5 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0003afe0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3AFE0 17932 bytes
SHA-256: 503dfe9c3537456fe50c3ff89c359ca4740cbee8303ef5d16f172d8f82835e57
font_02_sfnt_off0003de54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3DE54 10904 bytes
SHA-256: a481a2904c55d17dfaf3214fcfaea121acc1ccb1823c72093cef83d17130aabc

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