MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution lure. While no scripts were directly extracted, the PDF structure and embedded URLs indicate an attempt to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/7f4d04471184d85c2e177be3b9a72717/sajiranugelewaf.pdf
- https://semineebrasov.ro/printuri-fi/files/61385610805.pdf
- http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/4924017794.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16072fe1a9d44e---nebufufodopejedasigijudu.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/cfsu977rje3hinlmrtvra6aehl/pukuxonosasevuduwep.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16071d06592470---27500223786.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/rq1mb4bpir342lc66dv1vgkbu0/7181925781.pdf
- http://el-master.ru/userfiles/file/8399821030.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/cfacbb3a1e796d7e7af3f7f3abe3ab19/37167978199.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a1542e50ec2---26137655962.pdf
- https://anfauglir.com/images/file/55070707253.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/7b90mh3avmvbgsetdgqklveqoo/tatavewowel.pdf
- http://salonorganica.ru/upload/files/96547667518.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/nl9hf4m3p0k0k14674htpspnf8/sabetol.pdf
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/16073bf4c31594---92114651505.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c5e2n762nqn2qgtqkj9bmp7120/dixejiluwuwatixipidexuj.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=reasons+for+microcytic+anemia
- 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_off0000d116.bin6c3db69d423396175926447540f837263a4112ef8f477648a88914a1078c0d6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD116 | 16116 bytes |
font_01_sfnt_off0000fa91.binb33f8212d6d5eea2141eccb7348d56a0b8824dd20d21be4d4c4235b17a183069 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA91 | 10608 bytes |
font_02_sfnt_off000112e2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E2 | 16792 bytes |
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