MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with several URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs and the nature of the heuristics strongly suggest the document's purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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 http://ei-windykacja.pl/upload/file/32083841817.pdf In PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16131395643ba3---6332516172.pdfIn PDF document text
- http://allier-genealogie.org/File:/totiruko.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/81901840346.pdfIn PDF document text
- http://www.cenlajobinator.com/siteuploads/editorimg/file/37276240772.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/zozakoguzufasubulaje.pdfIn PDF document text
- https://globalybm.com/ckfinder/userfiles/files/1630975729.pdfIn PDF document text
- http://jump360.co/upload/files/20210916233634.pdfIn PDF document text
- https://035620126.tw/upload/greenkitchen/files/55190041721.pdfIn PDF document text
- https://haruhonpo.com/upload/haruhonpo/files/59726777787.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcc167c72c---xokodifoxafe.pdfIn PDF document text
- http://triple-a.co.th/ckfinder/userfiles/files/jerate.pdfIn PDF document text
- http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/9103860625.pdfIn PDF document text
- http://teplo76.ru/uploads/file/bojujonijurumax.pdfIn PDF document text
- https://milosislandrooms.gr/userfiles/file/pexoxofunewadorirowol.pdfIn PDF document text
- http://davcpundri.com/css/file/zepaf.pdfIn PDF document text
- https://12shio2.com/contents/files/95061987020.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecb506e306---46530150896.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea81c229fb---damuvifonakovu.pdfIn PDF document text
- https://pierreseche.fr/userfiles/file/43771118173.pdfIn PDF document text
- https://hocaukhudothithanhphogiaoluu.com/asset/site/files/wevigumuvoludaf.pdfIn PDF document text
- http://perlawarmii.pl/userfiles/file/54145120853.pdfIn PDF document text
- http://change4best.ru/upload/file/vikut.pdfIn PDF document text
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/jujifene.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/3c4f47782e2894855d17ae378e35a30a/sesekawozukupatavupupif.pdfIn PDF document text
- http://coverybox.box8websites.com/ckfinder/userfiles/files/polutu.pdfIn PDF document text
- http://ahkkpcm.org/userfiles/rewifazikijubu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=yts+download+apkPDF link annotation
- 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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD869 | 18076 bytes |
SHA-256: 5b1d839a909f3ea736440e6fa1bb9c38b737fa652a11e5503f422c0343cb3597 |
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font_01_sfnt_off00010694.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10694 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011eab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EAB | 10220 bytes |
SHA-256: 73bc451e49634e513a1d41f019c93463bc1f9a4adc24ae8edf4c91e031c5199e |
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