MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many pointing to disposable domains, indicative of a link farm. This technique is often used for SEO manipulation or to distribute malicious payloads. ClamAV detection as 'Pdf.Phishing.Trojan' and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://kuzutuzo.ru/award?keyword=assembling+california+john+mcphee+pdf PDF link annotation
- http://mujakomafadumuz.iblogger.org/battery_tender_junior_800.pdfIn PDF document text
- https://xuwowazasoko.weebly.com/uploads/1/3/4/0/134041707/galixupage.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501810/normal_5fdaf0a14010b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476766/normal_600fc3b5594be.pdfIn PDF document text
- https://mazomolorir.weebly.com/uploads/1/3/2/6/132682829/299948.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374688/normal_60348557094a6.pdfIn PDF document text
- http://wofonefa.iblogger.org/15275835606.pdfIn PDF document text
- https://xomowozijirogap.weebly.com/uploads/1/3/4/6/134667332/sakukipipolonat.pdfIn PDF document text
- https://xirofepomare.weebly.com/uploads/1/3/0/8/130814083/1fb9e.pdfIn PDF document text
- https://vejefipilarof.weebly.com/uploads/1/3/4/6/134663014/kuworinufizinur-fugeteguduj-mutalibiradojet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463263/normal_6034600e8f113.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://7893bdd6-41e4-48f6-9953-3a636dfb5d61.filesusr.com/ugd/c5c63b_c815de1da8454532bd643a1cbebeced1.pdf?index=trueIn PDF document text
- https://f3b8d348-8566-49c9-a9f8-a2c3b9e1bc8e.filesusr.com/ugd/f1c748_7d60d586912a4363b62a4230ef0a1cb0.pdf?index=trueIn PDF document text
- https://24451074-f53b-4065-993c-779ba3957988.filesusr.com/ugd/0ae25f_551a241f5156458692321f337cbaf02a.pdf?index=trueIn PDF document text
- http://fudogupadi.rf.gd/magisterium_3_espaol_descargar.pdfIn PDF document text
- https://02408c19-b9f6-4996-a596-1d5b7e46c8d3.filesusr.com/ugd/c83fdb_d64b8ff60ba7444b90afc778235e1b39.pdf?index=trueIn PDF document text
- http://galexuduxegi.epizy.com/24103410838.pdfIn PDF document text
- https://27158da8-170d-48ca-a528-b8ced62fe517.filesusr.com/ugd/9fc8c3_6a171890ccc14a269c181218739ad89b.pdf?index=trueIn PDF document text
- https://16b16ea1-1eac-4681-bfdb-39d0b7b0c60a.filesusr.com/ugd/d6b497_50041c0acbd84637b4ddfaebebf1deeb.pdf?index=trueIn PDF document text
- https://6acf0ca1-aa41-4771-8b91-54baff69ee7f.filesusr.com/ugd/7d1dc9_c8003e8ac7b240d29a9e441b496254cb.pdf?index=trueIn 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://scripts.sil.org/OFLIn 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_off00010879.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10879 | 5772 bytes |
SHA-256: d484bb17966d3dd90725f4b48654d28385ec27432ba7f4f86ee9e5069fc08487 |
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font_01_sfnt_off00011bfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BFA | 11532 bytes |
SHA-256: eaddbf3e40de92b4036cd6042a98bcaf6ce53be794f202718733aadc6be63f5c |
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font_02_sfnt_off00014287.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14287 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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