MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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://bologen.ru/123?utm_term=citroen+ds3+dsport+manual+for+sale PDF link annotation
- https://static.s123-cdn-static.com/uploads/4416154/normal_5fc745f38d5d7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502817/normal_6042f81b764e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369506/normal_6010fb669cc13.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491723/normal_6046b005e71db.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455390/normal_602875185bd8c.pdfIn PDF document text
- http://wuxetij.mypressonline.com/81476228145.pdfIn PDF document text
- http://galosidijixiwu.mypressonline.com/woziziretexewoxovu.pdfIn PDF document text
- http://nejevefivi.mypressonline.com/which_of_the_following_is_a_topic_that_would_be_studied_in_macroeconomics.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416810/normal_5fc619b460401.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421061/normal_5ff39ceec0471.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414153/normal_5ffa831308889.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383572/normal_602e64d1687d6.pdfIn PDF document text
- http://mukinumatonewo.getenjoyment.net/classification_of_living_things_worksheets_6th_grade.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467950/normal_6047b1215f814.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://af1bea64-f5cd-41c2-a7c1-97f21c1aa057.filesusr.com/ugd/592671_5cd7e345813e453d91c231cba7105f75.pdf?index=trueIn PDF document text
- https://443275ec-395d-4f86-84c9-2ed7a250e117.filesusr.com/ugd/7d471d_65522d1c2dde460c9024f71a66a7be12.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c6ecdbb2-e923-453d-9df0-d8577f26891c/54739664150.pdfIn PDF document text
- https://a8a57b57-a5e9-4b5c-b824-02731ce3a1bd.filesusr.com/ugd/cfa667_2648a7ddd1964d92a9972b02acd30042.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9201008d-09f5-4bbc-98c3-63a3783edd79/when_someone_hurts_you_deeply_quotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5da5e294-1fb5-47fd-a86d-01e3515165f7/suxekifiberulonufuke.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f086822f-e93f-42c5-905b-bcfb5deece93/95283069666.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1CF | 5256 bytes |
SHA-256: 8e144d368cb879a8143367f18a17fa2e00feacd032e2d644284071dbaec36938 |
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font_01_sfnt_off0000e393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE393 | 11044 bytes |
SHA-256: 3c118aa46e8714a5fd2f91189d545c41612971dde0e7cc2b520624041333cc13 |
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font_02_sfnt_off000108f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F4 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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