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 phishing operation. The ClamAV detection and ML classifier strongly indicate malicious intent. The presence of embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' point towards an attempt to redirect users to malicious sites, likely for phishing or to generate ad revenue.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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=d2l+msu+billings PDF link annotation
- https://static.s123-cdn-static.com/uploads/4447626/normal_5fe3792bb0afb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490256/normal_606bdf15487dc.pdfIn PDF document text
- https://berisojelo.weebly.com/uploads/1/3/0/8/130874511/5041410.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494452/normal_6023b853bf5e3.pdfIn PDF document text
- https://nubipudovolena.weebly.com/uploads/1/3/4/0/134012318/f58c5234457.pdfIn PDF document text
- https://bumiwawewa.weebly.com/uploads/1/3/5/3/135343946/8138394.pdfIn PDF document text
- https://vubenazago.weebly.com/uploads/1/3/4/3/134357699/1366288.pdfIn PDF document text
- https://desebenenoda.weebly.com/uploads/1/3/5/3/135348916/6076897.pdfIn PDF document text
- http://zowuzigokov.22web.org/8_beatitudes_and_their_meaning.pdfIn PDF document text
- https://jadafuvirop.weebly.com/uploads/1/3/2/7/132710722/bodikevisavab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453532/normal_5fe86d5ecdaff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465400/normal_6059d588e8a4d.pdfIn PDF document text
- https://segitosul.weebly.com/uploads/1/3/4/8/134886040/tomasakafur.pdfIn PDF document text
- https://sezulozag.weebly.com/uploads/1/3/0/9/130969806/d3e1fb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495536/normal_5fe562bcd065e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447108/normal_5fdf92bb7b095.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456399/normal_606c218b86242.pdfIn PDF document text
- https://vejevidumuruje.weebly.com/uploads/1/3/5/3/135302175/9a446fbfa144afb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459188/normal_6037792d51c0a.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
- http://fewufewidi.epizy.com/who_is_ariel_daughter_in_ever_after_high.pdfIn PDF document text
- http://zokemunerepefu.rf.gd/bangalore_metro_map_2018.pdfIn PDF document text
- http://retipike.rf.gd/a_monster_calls_screenplay.pdfIn PDF document text
- http://puwavunetese.rf.gd/interpreting_graphs_worksheet_5th_grade.pdfIn PDF document text
- http://jategemi.epizy.com/avira_antivirus_free_latest_version_filehippo.pdfIn PDF document text
- http://wapugabidojako.rf.gd/how_does_red_light_therapy_work_for_weight_loss.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_off0000ee10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE10 | 4544 bytes |
SHA-256: 6c0e361c8d1db2a19f94735975e1447bb852f1dcc3ff4cdf8a871a69c9d0ad19 |
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font_01_sfnt_off0000fd59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD59 | 10768 bytes |
SHA-256: 03a1a599d2ae645f5a8aa9c3af50ff04cecb72004b1dbecc980a9e6220f6acd4 |
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font_02_sfnt_off0001219b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1219B | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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