MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites, suggesting it functions as a link farm or phishing lure. The presence of embedded URLs and the overall structure point towards an attempt to redirect users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://philabc.ru/uplcv?utm_term=alpha+thalassemia+microcytic+anemia PDF link annotation
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ca4030edf---1229324603.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/suvexejanupakaresawosojaf.pdfIn PDF document text
- http://garderoba.sk/images/_file/88975841423.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a11af3b605---8644414950.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/rmdqofa551gk1khq9dna3ul0o4/fumununawasoveb.pdfIn PDF document text
- http://better-pharma.com/images/file/files/kusapojuvivovemevije.pdfIn PDF document text
- https://samudra99.com/contents//files/10237339508.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/fb3lmc1jbuj7r8ll480p1d0rro/dajubikurasexuvesoxudazam.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608785b24dbb1---terajeri.pdfIn PDF document text
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/kosifolezelosokulufepus.pdfIn PDF document text
- http://morethancars.nl/uploads/edytor/file/putoporakubalitefit.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73723921f0---pibebosaxorilitumivukop.pdfIn PDF document text
- https://motelandratecuci.ro/userfiles/file/gusisusanegoj.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/52964103782.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/135fb8c9d6a1e2be56778e9b22ecd0c8/574429928.pdfIn PDF document text
- http://olympiad-bigben.ru/ckfinder/userfiles/files/71488600815.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/9d98858307ffb70bbe552ade798bf52d/30588457652.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4d95d5717---rutinurifidukepop.pdfIn PDF document text
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/7b012b053d69188164eea5f0a2199c27/tilagemilejovoxare.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079e96d89bc6---98064987158.pdfIn PDF document text
- https://electrabicycles.pl/app/webroot/uploads/file/1620966393127.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160943d1640b08---tozutegebexugetobejivu.pdfIn PDF document text
- https://electrabicycles.pl/app/webroot/uploads/file/1620957912216.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/3a1ac3e11c18653baa3a20472fbb0387/3504601765.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf58af9a950---72072142344.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec0c009998---94305244682.pdfIn PDF document text
- 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_off000100fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100FD | 18416 bytes |
SHA-256: a73f69660f7ab54e9c37a80189fd047f9410a762fce034c94b45349a788ff4d0 |
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font_01_sfnt_off00013164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13164 | 10732 bytes |
SHA-256: 067db83c53da8657ab2a1e6f30ca56ed1cb4b525b47510afbe739d402c60784d |
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font_02_sfnt_off000149f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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