MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ClamAV and an ML classifier, with high confidence. Several heuristics indicate the PDF contains a link farm pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of numerous unknown URLs further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aea55550318---92186302164.pdf In PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609757e2a7dde---pesoboponinipadimipozewis.pdfIn PDF document text
- http://cuspsurgeons.com/userfiles/file/92105577217.pdfIn PDF document text
- https://reparation-mobile.net/userfiles/file/68855384775.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e970bfc53---laledezonewexemalalaji.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/69795138733.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b20d8c15ce5---60268440470.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeab24c7798---vakibuwebepisojixagav.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/busoxurosozewuwewivomagi.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9c0e2b9b2---xorukixefo.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/25322268771.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607111235e560---kimokixurenudopeluwizitok.pdfIn PDF document text
- https://telenovella-bg.com/files/zovisotidigilijelowox.pdfIn PDF document text
- http://seksdagen.nl/userfiles/file/49824050462.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/273073a423c0abbcb72ab7a0bab2c60b/30893320441.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160881af744fc1---11252441322.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/b85b17a45fb36e494f5ebc4dcf7e76aa/tujesaz.pdfIn PDF document text
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/senefujiravizufo.pdfIn PDF document text
- https://dagvandearchitectuur.be/_files/file/kinemuroxevovuwoxumozutaf.pdfIn PDF document text
- http://1960vonsteuben.com/clients/d/df/dfb5e1b83ea85bfdc5ef1da934264264/File/waritojimokuxojug.pdfIn PDF document text
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/79023928aaaecf8a873a8d575ce97fe5/54599783437.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c3341f19802---45845619056.pdfIn PDF document text
- http://uekekb.ru/!upload/files/gukajufafipowiwub.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/9198877698.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=law+and+order+svu+season+20PDF 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_off0000f3b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010bcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BCB | 17396 bytes |
SHA-256: 8bd96a2ff3620aa529ad5bf48ea4e948288ab8e6c772c4b01fc9b4efc5aa4f4a |
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font_02_sfnt_off00013979.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13979 | 10456 bytes |
SHA-256: d55311e10609621beff8548bfd2137b761e912782083b0a89d0fcfdaac33853b |
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