MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO poisoning tactic to redirect users. While no scripts were explicitly extracted, the presence of numerous external URIs and the heuristic 'PDF_SEO_LINK_FARM' strongly suggest an attempt to drive traffic to malicious sites, likely for further exploitation or phishing.
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://botokaw.ru/123?utm_term=mcdougal+littell+inc+world+geography+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4485296/normal_604014d2b3a24.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455894/normal_6033b8ab7b483.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452607/normal_60652c278b84e.pdfIn PDF document text
- http://kopalirigel.mypressonline.com/92491654237.pdfIn PDF document text
- https://debovibeki.weebly.com/uploads/1/3/4/7/134715081/riwegimabu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393755/normal_605d9486608f6.pdfIn PDF document text
- http://online-bestshop.xyz/44685012828hetk2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420906/normal_5fd265e05dd5f.pdfIn PDF document text
- https://runuwafulisejet.weebly.com/uploads/1/3/5/3/135337902/6143c30fbed.pdfIn PDF document text
- http://mosebuzixat.mywebcommunity.org/english_words_with_noun_verb_adjective_and_adverb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412778/normal_6035064af3e69.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497344/normal_6038bee0eb25d.pdfIn PDF document text
- http://spindlndou.space/roritusenulosaralutijikuk04y98.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456119/normal_604cf02303f0f.pdfIn PDF document text
- http://ionatr.space/gilubovajemonunafesuku44pzd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419235/normal_603290b87fb89.pdfIn PDF document text
- http://islemleriniz.org/genitomotukodizekesefanixda.pdfIn PDF document text
- http://jilavixit.medianewsonline.com/gupakelofimukoxipimilutes.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388824/normal_6026609ab52dc.pdfIn PDF document text
- https://nobakavukip.weebly.com/uploads/1/3/4/3/134373074/e6a324e9c81830.pdfIn PDF document text
- https://vepodiruwa.weebly.com/uploads/1/3/4/3/134374194/2006993.pdfIn PDF document text
- http://reduslim-ordina.site/behringer_pmp2000d_manual02laf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/panalipolifod/5557072940.pdfIn PDF document text
- https://s3.amazonaws.com/sowewazulejewi/barbell_upright_row_form.pdfIn PDF document text
- http://vesedakowata.onlinewebshop.net/hallelujah_flute_sheet_music.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_off0000dc2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC2F | 5532 bytes |
SHA-256: f72f0f20c39f9f112b89519fc25c85782c92db66b72055a86040b499d469f17a |
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font_01_sfnt_off0000ef1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1F | 10804 bytes |
SHA-256: b736cfdaa5504349c5362efca364f710311552c0bd560af37fe5d1f5d8453464 |
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