MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users to malicious sites. Heuristics indicate the PDF acts as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4e8063897a---35612465774.pdf
- http://valifyrepapillon.com/clients/6/68/68e1c6a84db99a04c21676ff826d6e37/File/fetamozenafabagamerewu.pdf
- http://dansecyr.ca/pdf/file/logavasanewodukedox.pdf
- https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/ecfd4a7429ba0c3b61de49928dd76703/zenoxixafawirovumexojugu.pdf
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/5efcd808910650910841df8d3cc00e06/lizemesobelemaroriloxivig.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9161d6156---54012893094.pdf
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/e7f0c9473129de5b0750b0562bdd4733/43291027138.pdf
- http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/71361061527.pdf
- https://audit-advisers.com/userfiles/file/46945702163.pdf
- https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/sngeppenfbkrnpvk1tnri8l95o/98083127083.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098524988a0f---dokokuzobod.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/d5c4b4542df8fadc10d6d76fe85fd74a/19795328504.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e92c9bf084---wamebulewawuderigo.pdf
- http://beta-rc.com/upload/files/60482740072.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/s21j6nftcr6v9vl6egssurrs71/38709417831.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3c891efd6---6146863916.pdf
- https://hiperaktivite.info/userfiles/files/fabugifekexaturiwiro.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160badccbb6e8a---66989529343.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607adae4b3837---85622215049.pdf
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/9431991181778b67ee9c3c4261e952ff/fezozatelukozerajafu.pdf
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/n14n5q0hujtv7lp7t55aq9jfr2/wamos.pdf
- http://gyobel.itpublic/file/10532148081.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b0b68c4ca---gajidudujodibogut.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=7000+aed+to+gbp
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1ef.binc43af1eaf6822649b12b2ccd8c505a5f1868c2df61297cde56eb9c70d54efe35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1EF | 10272 bytes |
font_01_sfnt_off0000e8ac.bin6355c9b7f070937e33810b8b40e2cfbe04e91f35004c44c72b07251a964cf1b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AC | 16872 bytes |
font_02_sfnt_off000114e1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114E1 | 16792 bytes |
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