MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which point to PDF files hosted on various domains, suggesting a link farm or redirector strategy. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, and 'PDF_SEO_UTM_REDIRECTOR_LINK' highlights a lure for free downloads. The ML classifier and ClamAV detection strongly indicate maliciousness, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://druttle.ru/strik?utm_term=salem%2527s+lot+vampire+pics PDF link annotation
- http://teksalon.xyz/gegoko47ec.pdfIn PDF document text
- http://copyright-securityx.com/canto_ostinato_sheet_musicrjgli.pdfIn PDF document text
- https://kezidixujaroko.weebly.com/uploads/1/3/4/0/134040737/buvubumez_xuzesakezizakil_jibuxote_fofemerap.pdfIn PDF document text
- http://specrazreshenie.com/what_is_the_critical_f_value_for_a_sample_of_four_observations3jpdb.pdfIn PDF document text
- https://sarodinejafa.weebly.com/uploads/1/3/4/7/134762654/6736965.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://08202b68-adf4-4b7d-bb06-fcebe54c78b8.filesusr.com/ugd/76dd3d_76cdec202cd84cee86d004a2425b6cd4.pdf?index=trueIn PDF document text
- https://ee809a51-a58d-41df-a269-13688c4e1c69.filesusr.com/ugd/5f587b_99ceaf5f3aee4b528e7604d1acb7d9de.pdf?index=trueIn PDF document text
- https://acaa17bf-cf2e-4132-a9e9-810271eb8bc4.filesusr.com/ugd/ab5b4c_c8acb571128a40d0a391b6a4416a2b8e.pdf?index=trueIn PDF document text
- https://9f5bcc56-a059-4f00-ae85-604acd6a3d2d.filesusr.com/ugd/ac9354_70905739c75c413191a44f135a8a81f3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vanatul/gegurapeturenixifodaso.pdfIn PDF document text
- https://cd753cf5-d90a-4073-9c55-931a76e81761.filesusr.com/ugd/8826df_e5ec363c0fbd41daa573eed913c35cdd.pdf?index=trueIn PDF document text
- https://423b1922-3b22-4770-a53c-9b76cf3b1ee3.filesusr.com/ugd/1b0481_1194a9a109574f44b69a3f398d0e04df.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/viromibukoleliw/half_broke_horses_quotes.pdfIn PDF document text
- https://d9b2f8c7-bd34-461a-9f43-708a3d1e303c.filesusr.com/ugd/8ff694_a423d49fc65c42cfb79cb908680173ee.pdf?index=trueIn PDF document text
- https://8c285b57-3156-47ce-881b-df665acc117b.filesusr.com/ugd/8d46c2_4a01ee79051a43b89d901c50501adb48.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zarevizebi/tilozuterizaj.pdfIn PDF document text
- https://s3.amazonaws.com/wipotegadodorek/italy_visa_application_form_editable.pdfIn PDF document text
- https://s3.amazonaws.com/vexeliku/likala.pdfIn PDF document text
- https://a1d1c4ac-cf1d-4c58-861c-45d1188f4b60.filesusr.com/ugd/052f3a_75c517d4bcfd45a4adea68ac3a6dd82b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gelawiweza/zarupigise.pdfIn PDF document text
- https://s3.amazonaws.com/tulosa/jazudosakakuwejapaxul.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001027d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027D | 5276 bytes |
SHA-256: f60d13d926263c28e11699e3dd83388756439c95597d31b5380ec3d10b3fbb94 |
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font_01_sfnt_off00011467.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11467 | 10620 bytes |
SHA-256: 2703289c8bf6f5870c262b165c4fe3e418b0c863bd0077c259f4cf7536e3c610 |
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