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://krisoc.ru/pbw?utm_term=what+size+mattress+fits+a+convertible+crib PDF link annotation
- https://reboxulowewo.weebly.com/uploads/1/3/1/4/131407709/mejenepi.pdfIn PDF document text
- https://zipuboxovasabe.weebly.com/uploads/1/3/1/4/131483293/83ec4a84b.pdfIn PDF document text
- https://nakilogizo.weebly.com/uploads/1/3/4/3/134363069/9c72b881bb56f1.pdfIn PDF document text
- https://nadevakijod.weebly.com/uploads/1/3/4/4/134490940/8415422.pdfIn PDF document text
- https://vogowabiruzo.weebly.com/uploads/1/3/2/6/132681596/e97a2a45.pdfIn PDF document text
- https://lagizipat.weebly.com/uploads/1/3/2/6/132681030/dezepokuzer.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374847/normal_600e735c1e57d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384851/normal_605117a5cc539.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485176/normal_6016b32dd7f2f.pdfIn PDF document text
- https://sulogaxelope.weebly.com/uploads/1/3/1/4/131438888/8674022.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418185/normal_5fcb94c4ef1f4.pdfIn PDF document text
- https://tusutaxuwipafu.weebly.com/uploads/1/3/4/4/134403355/koloxojawo_fabemupafaxupe.pdfIn PDF document text
- https://wadidomewagu.weebly.com/uploads/1/3/2/6/132681938/sepibakagabo.pdfIn PDF document text
- https://sojujigun.weebly.com/uploads/1/3/0/9/130969910/gikosogidajaxabeb.pdfIn PDF document text
- https://memefuzagimo.weebly.com/uploads/1/3/4/6/134612336/9656490.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368777/normal_600dabbc2966c.pdfIn PDF document text
- https://fubagodesipura.weebly.com/uploads/1/3/4/3/134326772/f17e5cc5c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475382/normal_6057bba40649e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366343/normal_5fc56fbb5808a.pdfIn PDF document text
- https://nutiniwe.weebly.com/uploads/1/3/4/8/134870290/04faca0a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502236/normal_60443e88a638d.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/3df53a81-e750-4699-9fd6-78dddbb9028a/galojeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/31b4a0a3-eca7-49d9-9511-052cc2a10030/visual_arts_in_the_philippines_ppt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec5dcc15-5f93-476d-be38-1a676cdc4e2c/69920220441.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_off00010158.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10158 | 5384 bytes |
SHA-256: 757f5dd4926a10874b70dd11e3fea09cea7951388b1a5bde415bc9aa9ec7be5b |
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font_01_sfnt_off00011398.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11398 | 10520 bytes |
SHA-256: dfe09279ba5065c93e2abd846da6e63e3a5279de5ef54212d74c7ddcaabf8fca |
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