MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many of which are hosted on disposable domains, indicating a link farm or SEO spamming operation. One prominent URL, https://xezojetit.ru/strik?utm_term=calculus+limits+problems+and+solutions+pdf, is presented as a search result, likely to trick users into clicking it. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://xezojetit.ru/strik?utm_term=calculus+limits+problems+and+solutions+pdf PDF link annotation
- http://xupulakikovuxo.mypressonline.com/vesimepozu.pdfIn PDF document text
- http://guzojowozufi.22web.org/integrated_circuits_basics.pdfIn PDF document text
- https://navowilupaxit.weebly.com/uploads/1/3/1/3/131381067/woxoku_wigik_segalu.pdfIn PDF document text
- http://xafawotilujos.mypressonline.com/torubawefuvafozubebug.pdfIn PDF document text
- http://vutajupej.iblogger.org/is_vizio_a_good_brand_for_tvs.pdfIn PDF document text
- http://dusibarupuguli.medianewsonline.com/likekuloj.pdfIn PDF document text
- https://biwoponafi.weebly.com/uploads/1/3/4/7/134767969/vubejogonelokonovumu.pdfIn PDF document text
- https://rowusebejaron.weebly.com/uploads/1/3/1/6/131637242/wizetira.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://s3.amazonaws.com/xamibebulosaxug/laminate_sheet_manufacturers_in_bangalore.pdfIn PDF document text
- https://s3.amazonaws.com/jixerubowi/39409603181.pdfIn PDF document text
- https://0e627107-309b-4451-a84d-e7064c41fccd.filesusr.com/ugd/04c368_3ebe879ac81344dcb7ff424da1ea4885.pdf?index=trueIn PDF document text
- http://satuzolo.epizy.com/wolixabopevujinilifus.pdfIn PDF document text
- http://kofepiropi.onlinewebshop.net/cebuano_mass_songs_lyrics_and_chords.pdfIn PDF document text
- https://s3.amazonaws.com/boxalewijim/how_to_fix_my_vitamix.pdfIn PDF document text
- https://05491ccc-77c7-428b-9c25-74f2c6c50d4a.filesusr.com/ugd/d51d36_416bb9b99ec04107b99a79b34f7f7d55.pdf?index=trueIn PDF document text
- http://zivonupawidam.atwebpages.com/accsap_9_download.pdfIn PDF document text
- https://f27bca7f-571c-471d-9e77-92385e6dfcd0.filesusr.com/ugd/9a0fa1_e7f7af675b23400698d06347a6409c58.pdf?index=trueIn PDF document text
- https://6196a4e6-b3b5-4a85-a139-4ec84e0a53d9.filesusr.com/ugd/d01287_20916258670540338745e31b9d595254.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://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_off0000f6f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F9 | 5344 bytes |
SHA-256: 0fbe605d6e3bb7db537ec9268a2617f1bac87573276254bd365cc2294f87a170 |
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font_01_sfnt_off00010900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10900 | 11876 bytes |
SHA-256: 00c23eddab38a500502ecbab2f8f0e5c41db5809dd65d4c35b1109c31b85785a |
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font_02_sfnt_off000131d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131D7 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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