MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO poisoning tactic. The primary URL, 'https://zajinet.ru/strik?utm_term=what+days+are+the+stock+markets+closed+in+2021', appears to be a lure to disguise the malicious intent. ClamAV detection and ML classification further support its malicious nature, likely as a phishing or redirection tool.
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://zajinet.ru/strik?utm_term=what+days+are+the+stock+markets+closed+in+2021 PDF link annotation
- http://zejizeb.22web.org/carbon_steel_pipe_sizes.pdfIn PDF document text
- http://vkrowl.com/avermedia_recentral_patch_hdcp_bypassoemuu.pdfIn PDF document text
- http://jusojixanona.getenjoyment.net/samsung_wf210anw_xaa_specs.pdfIn PDF document text
- http://smeshnoykir.space/88219441805xxp8e.pdfIn PDF document text
- http://buyfastedcircle.xyz/jopekebinoxakubaguk8z9.pdfIn PDF document text
- https://warevinigipa.weebly.com/uploads/1/3/4/8/134898994/lumomu.pdfIn PDF document text
- http://jiteruruw.sportsontheweb.net/how_to_pray_for_mothers.pdfIn PDF document text
- http://jokojujut.medianewsonline.com/84002863786.pdfIn PDF document text
- https://goreduve.weebly.com/uploads/1/3/2/7/132740848/mojuginalarijovi.pdfIn PDF document text
- http://reduslimitalia-oficial.site/sesijonodegitadinoslacws.pdfIn PDF document text
- https://nobakavukip.weebly.com/uploads/1/3/4/3/134373074/xopax.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wagesasalep.rf.gd/47657930880.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/908849e8-1b40-460d-a150-801e0e7bbc91/matlab_loop_over_matrix_rows.pdfIn PDF document text
- http://tiluxusimutine.atwebpages.com/wopidan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f48877c5-eb08-40d3-adc9-e4adbc0e65a5/roxejenawetozep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a404b8bf-ee01-4e1c-8442-54b677ae7bab/how_big_is_30_cubic_meters.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3b530f6-2736-45bd-aa77-48b6d84947ee/bavovekonoforusawesi.pdfIn PDF document text
- http://suduxegowur.onlinewebshop.net/86377955424.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/130dcdbc-3448-4f43-a0dd-80c2fda322b8/ms_project_2013_download_64_bit_iso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a353d29f-adac-4b3f-9a64-d6d1c245d726/najozaduromojuxomag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/156e7bfa-ccb6-400c-b892-26fdba528029/10308810518.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/804972ba-3830-4c64-964b-c364011cbb6a/wagiwesudinekudema.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_off00012b00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B00 | 5684 bytes |
SHA-256: 898975c0c4db5ab12b73f529e64921776bb2bc5efedde2117ea321d3f7f79b70 |
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font_01_sfnt_off00013e45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E45 | 11824 bytes |
SHA-256: 7a0dcb8d9fa5806e016642500d2c6e7431d3e9d4472cc58e9432e8f174c2f7d6 |
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