MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms indicates an attempt to redirect the user to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 6
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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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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://crysiq.ru/uplcv?utm_term=fw+taylor+principles+of+management
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160742e0a3937f---24869616529.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfcdfb22343---komivemenusosu.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16096ae2b179c2---jalasenetukubarijosewilik.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1b59cce9b---menude.pdf
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4f38b3dbdb0143d368e7326403a041af/97749311701.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702c87218cb---lemuvusaripapenakajakumuj.pdf
- http://grgct.com/ckfinder/userfiles/files/linixadevedevasijo.pdf
- http://fujavietnam.com/images/Download/5601722019.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/d08b035d8d7ceb977ea79010a7688f1f/58585349070.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/1g3srmee2sqjkllh55kokqu6oj/74308903702.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c33346ac38---fojolenowexewov.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/90313b266769334119e442d6a7e44a89/35218767637.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607c00cbd13a7---54620797887.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1f82110354---72447663381.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/32s2drq438795qtqk3sl8ssa1o/5374922121.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/lsvkg75ql7cv4uumfu2gref285/valisukose.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092afd6d74e5---41874375451.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e397183fa---wenag.pdf
- http://www.lebedosapartotel.com/data/yukle/files/31100474894.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/4c6128defc9a03711ab2ee3cd1df3a33/ximajodifuwewimuj.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_off000108a7.bine5cf8305a86b81f0d7352c3446225ef20f4e82d38b47f88504578914e8128849 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A7 | 11000 bytes |
font_01_sfnt_off0001224a.bin90980156f23aa86b5c4358c9bad0c1d5d94ca373a8b05b7ac3576033aa4c68a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1224A | 17868 bytes |
font_02_sfnt_off00015035.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15035 | 16792 bytes |
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