MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content or phishing pages. The primary attack pattern involves leveraging these links to compromise users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://inwebjor.ru/uplcv?utm_term=naked+and+afraid+uncensored+version
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/7aba9e96637227cbe6af65e50463884e/83386200991.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/uatg3lpq4bq8mssmkf4qlm39en/toxejokepevovigifud.pdf
- https://keongracun.org/contents//files/puxutamopozaj.pdf
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/ruik17be9f1ethaah3uifghik3/zovejovofalipagafowexune.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080cf9fa3bde---53014243587.pdf
- http://homeopathyhk.com/files/mokojegaxef.pdf
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/a01363c8d55acb41f925e09ae0a6530f/bisikadisidogemis.pdf
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/af748edf536b20fda54d21bc7da7bb26/kerorawupifikenutunowap.pdf
- http://amexeuro.com/an3_Uploads/file/44014845002.pdf
- http://www.jindatunnel.com/up_files/file/72810030047.pdf
- http://aj-logistics.com/stock/userfiles/file/43529375580.pdf
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/a16afe6e8dae0d6c66d1c7d029d20233/wovimakupilaj.pdf
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/f5300459cecc2df5fed6892f5c944e40/66237657176.pdf
- http://maybomchuachay24h.com/Images_upload/files/pedegavafojubun.pdf
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/83d86ba202c062a7bb153a1057a5a329/jadetev.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/7v60is7umn63c883aq6is8gk87/tiwexukepudox.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bdde787f893---xawibopovotigosinidov.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/lil7vk70u5mi0quo6cidfkp54r/70257048519.pdf
- https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/66b4dbdbe6c74debddcd729fa4fe4db9/situbu.pdf
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad9b2b8428---55400251874.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c64529466d8---xukunifegako.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756d19aeb45---rogodazogudafolu.pdf
- 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_off0000d2f9.bine6b8a031d7b9d09046c289a430a2fe3b7b57a407486d60119d945d1918876cc1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F9 | 10560 bytes |
font_01_sfnt_off0000eb32.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB32 | 16792 bytes |
font_02_sfnt_off00010344.binf29e74ed67ed211f42e35373b4c1467d2323cdca6b12b49cbb94b84aeb3f96ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10344 | 17048 bytes |
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