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 0.9992
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://resalured.ru/strik?utm_term=toefl+essay+examples+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4446380/normal_6050634333716.pdfIn PDF document text
- https://suxavumopej.weebly.com/uploads/1/3/3/9/133999634/9541635.pdfIn PDF document text
- https://cdn.sqhk.co/mopijiluxu/hjnkxji/17039549088.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495988/normal_6048ecfd17b3e.pdfIn PDF document text
- https://cdn.sqhk.co/jategumeb/jdniiha/state_of_survival_codes_november_2020.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384652/normal_602f6806c0ef5.pdfIn PDF document text
- https://fitarerak.weebly.com/uploads/1/3/5/3/135313257/fonugozadikesut_kavagazewuza.pdfIn PDF document text
- https://cdn.sqhk.co/kudewigi/8Sifjhf/11389362782.pdfIn PDF document text
- https://cdn.sqhk.co/wazotifuk/chhhfTP/ring_alarm_system_panic_button.pdfIn PDF document text
- https://visuriteja.weebly.com/uploads/1/3/5/3/135323353/1d321867f6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446917/normal_5fd18d6422d8e.pdfIn PDF document text
- https://cdn.sqhk.co/losegiro/gjigfhd/44578410708.pdfIn PDF document text
- https://xavujome.weebly.com/uploads/1/3/0/7/130739328/6524138.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383582/normal_60396b5509b4b.pdfIn PDF document text
- https://cdn.sqhk.co/fasotaluvose/hdjeDhd/kaiser_pharmacy_phone_number.pdfIn PDF document text
- https://cdn.sqhk.co/gotofebelu/t7vpuhd/49372713410.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/a120c66e-a502-4f79-89ef-0f3c09915bae/tcl_32_inch_roku_tv_specs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/57c101c0-edc6-4d34-834a-48e494011c41/duvofimuxa.pdfIn PDF document text
- https://828c6a01-da61-4814-986a-f72e64f4f334.filesusr.com/ugd/cdfdba_fbf34f22222c423485c7765a87c4072e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6b940036-04d6-48c8-8504-cadc231f9793/71872860120.pdfIn PDF document text
- https://d1897088-ef6e-4b60-8303-910b4b551fc1.filesusr.com/ugd/4cfbbd_8de52e3931cc471084dcb0d7423f79cc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/72a38a72-a05d-4215-b475-a8a62751bece/jolesaxefifirudanezedan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/321c973c-9446-441d-a526-6bda348c63b6/how_to_make_a_simple_machine_screw.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_off0000fdf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF9 | 5208 bytes |
SHA-256: 5135eb400234cc295db8211c338c97df072571273fab2bab6afb06aaf28e10a1 |
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font_01_sfnt_off00010fb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FB4 | 10420 bytes |
SHA-256: 6fc6a893a5faf0cb939d324c0bae8b9b7472e8b64d4f1c04edc372deee81724b |
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