MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites acting as link farms. These links likely serve as a distribution mechanism for further malicious content or phishing attempts, aligning with spearphishing attachment tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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 http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c43d33c5a86---45340258977.pdf In PDF document text
- http://kme-kme.cz/files/file/wapuzosi.pdfIn PDF document text
- http://svb-volleyball.de/userfiles/file/41405419299.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/sooki09jfdsgmffff34c47qsk4/71138400094.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ca21b01caa3---42466925525.pdfIn PDF document text
- http://jinxinghotel.com/uploads/files/wexokasumugiganekujuxobu.pdfIn PDF document text
- https://best-label.com/upload/files/24625380980.pdfIn PDF document text
- http://hopkinshigh1966.com/clients/1/10/1054c114374c88b4a165e91103565d41/File/xafalurolanemusenuruzafa.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdbafd766f8---vofokokebonodifesajiwuze.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/danesoz.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/ac097c4a07cbf18a8b2f926772a8db95/28284048787.pdfIn PDF document text
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/2e0281f5782ca6ddd8ba8a72c0e0ff34/1113754443.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a30bff1fba2---24597210707.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/ruxibetifotilijawabixoj.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/90575635634.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/jowigo.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160762f239d611---55412068924.pdfIn PDF document text
- https://botorka.ro/userfiles/file/65339460376.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/4c06b49d0a485726cfee8e9a4f7b4997/24758790109.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5fe5536a29---25399461897.pdfIn PDF document text
- https://www.bussmann-tiefbau.de/ckfinder/userfiles/files/bedifinutilode.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607407ff17d9f---50551765139.pdfIn PDF document text
- http://facilitymanagementassociates.com/survey/userfiles/files/49432499360.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/ecad59a783b88da748ed129a80235f84/rubimunepikafekomini.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=causas+de+trombosis+venosa+profunda+en+miembros+inferioresPDF 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_off00011c8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C8E | 10952 bytes |
SHA-256: bf83cd4f3122ad37ebcd0f0ba4532feba3c9886b09aa24a90dd7f449c197cdc4 |
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font_01_sfnt_off000135c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014dd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DD7 | 19160 bytes |
SHA-256: 494c17e843454f21b03dd09f4550e56863b8965f2a203e87f16c91b5de506333 |
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