MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to potentially compromised or disposable hosting sites, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF link farm heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://nicolalazzarotto.com/userfiles/files/zusuwadetadowirisonobujo.pdf In PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/67e271b2e99793a3733400c16ff269b3/91786822495.pdfIn PDF document text
- http://bortran.com/upload/image/file/20210518115940.pdfIn PDF document text
- http://slippersymposium.com/clients/875641/File/85130323771.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb4b3e162c---roravewi.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/xuriruponigakale.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/766cd8dfd9fafd932912977ebe7999e6/zagunerefilamupulebosus.pdfIn PDF document text
- http://abc-tel.ru/data/File/49891263846.pdfIn PDF document text
- http://apartmaji-zunicmile.com/uporabnik/file/gujudi.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c0cd84734---72120749056.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16071eb78086de---nemelinexogolotedumozubi.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acae6bbc9ab---82686474077.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160805a3459b71---wagoroguzejapi.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/3f661df842dc1290f953de02bd9dd922/53653032185.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/vavofulefomegezus.pdfIn PDF document text
- http://ladyqueen.it/userfiles/files/71293032523.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/5c5d674533ff7774b24a645de5afcfd4/39649460664.pdfIn PDF document text
- https://bosgo.mn/uploads/files/19313871482.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/d1f40334762924d69de27347532e70e2/mujenesovolodedamovab.pdfIn PDF document text
- http://timandlor.com/userfiles/file/lotanekekotipexevefufipaf.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f1fd9e661533fa70eba723720a2a365d/4530423920.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/mg4tvb4r7e9jm70oen6huhpe56/59352287952.pdfIn PDF document text
- https://autoandtruckrepair.net/nbloom/fckuploads/file/19250838141.pdfIn PDF document text
- https://hmanagement.net/userfiles/file/zagufamuzivo.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/cd9738b991e0da0352b194e9275ad7a0/ruledulalazis.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/ae2be8a24df61da13373fc1ea41d3d7e/rezelimitukamelarile.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=carpetbaggers+during+reconstructionPDF 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_off0000ea03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA03 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010215.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10215 | 17032 bytes |
SHA-256: 2da007b071d394994deaab45e3ced6886832e19eeef490338cc22b685e1c3ceb |
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font_02_sfnt_off00012e5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E5D | 10912 bytes |
SHA-256: 2974473675e6e53dcf1858e69b64e65fae4f1c6577b5c703890c571141bed27f |
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