MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1566.002 Spearphishing Link
The file was detected as a phishing PDF by ClamAV and ML classifiers. Heuristics indicate it contains a link farm pointing to compromised WordPress uploads and other disposable hosting, impersonating the brand Chase. The embedded URLs suggest an attempt to redirect users to a credential phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 7
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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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+to+stop+edd+payments+california.
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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://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/59e1f46dcc2a1ab312690b17b1591992/najaw.pdf In PDF document text
- http://ibtaker.ps/userfiles/file/wubasevuluwo.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c723366ca3---61782233840.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/49840523131.pdfIn PDF document text
- http://wskinbody.com/data/boardData/files/12773172108.pdfIn PDF document text
- http://rogersdesignhouse.com/uploads/files/kesov.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/6cef001a04899cd38f6a79ec2584a4d3/99790244098.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/b29c3c8ee2857ff5d4e4780b30ad3e14/46691819363.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/qrtf7ko70om4a0cvjnblfrq4t8/xivefoguwuxovur.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/dfa6c7304e3f165a38a666e63d541e9e/31025124132.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/aa5f7c252fa08c391dcf9c303d219647/zoxifibunimadorikub.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/96346271823.pdfIn PDF document text
- http://werkkledingverkoop.nl/images/docman/files/kabiz.pdfIn PDF document text
- http://dgxzz.com/uploadfile/file/logum.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbe53cb468---fatetenifubepedutul.pdfIn PDF document text
- http://ncfc.com.tr/ckfinder/userfiles/files/99744238406.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/39235660186.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/76219249561.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/guboriwaniduletupekixelen.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c01555d0aa---bagezojuwilozigowemu.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/c1bff558bd5c5aaad1dd1202d33bec29/pipakomifarafonu.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/a9032e51fb9243116522d2c7114cdad1/73459626301.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3a1d4128d2---jofozesasejakuj.pdfIn PDF document text
- http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/74902506645.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+to+stop+edd+payments+californiaPDF 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_off0000d82d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD82D | 17576 bytes |
SHA-256: 82f062de1aa7397061726151befb0cf1d468a168638e558ba81127464aa53eb5 |
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font_01_sfnt_off00010606.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10606 | 10972 bytes |
SHA-256: a78701d4f96881313a518adbe028752a530ae253854a12dbe5832abd2ed1b894 |
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font_02_sfnt_off00011f81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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