MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and numerous URLs are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16091d8c8966e6---xixoromatifo.pdf In PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a2u8gmap0n1qkv9q2cvmsjg6m7/22648801154.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/pebisotana.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/0a61a59b82b7b4587d02e70bdbf406a3/merigusagozokir.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/lomuvodukamemopudis.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801bb55667a---lutekibitirinalisuru.pdfIn PDF document text
- http://ubest.ru/images/file/60546501112.pdfIn PDF document text
- http://webbuilders.com/files/file/sofumikawur.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/16071b9d746c41---64804356048.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e961b2a3ed---38646287770.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/6e5689b02c1fb667d10904f84ab1068d/xiruloburolawutodavikuler.pdfIn PDF document text
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/c28ee028699e73bc95f410d8b240cec9/fakevutopabadojiwaxufo.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607afdd274a61---11591981918.pdfIn PDF document text
- http://bundoreh.com/fckeditor/files/file/13220220503.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/5d2001749f14e9955a6d86a3ad1297a7/jekepefawemakizasuno.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070895b8c6fb---kinobotin.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/5ou8527opuahuuiq0hp480dk56/34780400531.pdfIn PDF document text
- http://abovomedia.hu/_user/file/49605402177.pdfIn PDF document text
- https://feniks9.ru/ckfinder/userfiles/files/75399724013.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/25052706931.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e8a7e8120---raxakokotegilototopi.pdfIn PDF document text
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/28b8217e7cef50df1c304304faf8e592/juwolajif.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b7333cedf7d---92398928253.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e036a46b2d---63577840097.pdfIn PDF document text
- http://tjclassof1971.com/clients/1/16/169b02496b2253913efe31a5b05f4f66/File/77259642158.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/uul51n1fppmhtdemb683dfq5u2/61090398641.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=list+of+verbs+without+preposition+pdfPDF 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_off0000edb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB1 | 18136 bytes |
SHA-256: bf2ce904648188616792547351e0177303887dac164be8a2d9fe827d4d6b6873 |
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font_01_sfnt_off00011bc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC6 | 10736 bytes |
SHA-256: 7f784c955d149821ca05981de34e69dcef6d6c4adaad7c82fa7104e19eb8a3c3 |
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font_02_sfnt_off0001343f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1343F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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