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 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chcial.ru/pbw?utm_term=context+clues+3.1+worksheet+answer+key PDF link annotation
- https://kogavegi.weebly.com/uploads/1/3/4/8/134873631/repupoxufadujom_jenatanarusaw_kitarugufel.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459941/normal_5ff988b99b90e.pdfIn PDF document text
- https://saripubisopa.weebly.com/uploads/1/3/5/3/135322362/jowukali.pdfIn PDF document text
- https://xosufovopoxom.weebly.com/uploads/1/3/5/2/135298930/xewozisiroxaga.pdfIn PDF document text
- https://vadunidiv.weebly.com/uploads/1/3/4/4/134464125/467ad91f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452217/normal_604e47fe9b758.pdfIn PDF document text
- https://nirasiban.weebly.com/uploads/1/3/4/3/134344158/razujab.pdfIn PDF document text
- https://zepigebilotexo.weebly.com/uploads/1/3/0/7/130739401/203376.pdfIn PDF document text
- https://mojipolizu.weebly.com/uploads/1/3/4/3/134318612/3244956d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424036/normal_603ecd476b7e4.pdfIn PDF document text
- https://pafebexazare.weebly.com/uploads/1/3/1/1/131163914/e0942a.pdfIn PDF document text
- https://lavefikamov.weebly.com/uploads/1/3/0/8/130813740/pelozedavejeg-zedekazoz-junugeruluwodat.pdfIn PDF document text
- https://wafodefa.weebly.com/uploads/1/3/4/4/134480145/cdc120f39a.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://zalonuzojeru.pbworks.com/w/file/fetch/144472275/82864146277.pdfIn PDF document text
- http://bukafag.pbworks.com/f/samibalex.pdfIn PDF document text
- http://vifogajo.pbworks.com/w/file/fetch/144499452/wedoseve.pdfIn PDF document text
- http://nolumemonip.pbworks.com/f/what_is_the_main_theme_of_the_interlopers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ba5960c-13e6-48b4-9657-6e45ff5c6c00/academic_reading_and_writing_course_syllabus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc687968-cec1-41f7-a6b6-da2d527813c8/lic_loan_form_download_5196.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02534413-6e01-42a4-baed-f461385062a5/how_to_toast_new_england_hot_dog_buns.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4cfb4407-c8aa-48c2-b351-ca1e85dbcbfa/wave_interference_worksheet_answers.pdfIn PDF document text
- http://zufumegi.pbworks.com/w/file/fetch/144423225/what_are_gradable_and_non_gradable_adjectives.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7eaf7572-1f27-4383-8070-c4f33f9abfb4/34209943815.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_off0000fe65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE65 | 5316 bytes |
SHA-256: ece496e57c2845f7def106e1f4a2e5f63bed6d37fff368abaecebfa6dcd5865f |
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font_01_sfnt_off00011099.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11099 | 10584 bytes |
SHA-256: 0106666e4b0623919cb738058a79ab48b4172650be7932cef19090e03d5dd968 |
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font_02_sfnt_off000134d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134D1 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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