MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting it is part of a link farm designed to redirect users to potentially malicious sites. The document body, though partially corrupted, mentions building leg muscle, which is likely a lure to disguise the malicious nature of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://crysiq.ru/pbw?utm_term=best+way+to+build+leg+muscle+with+bad+knees PDF link annotation
- https://jikowizovogowo.weebly.com/uploads/1/3/2/6/132682153/jipapu-tofexaduzujo-liluva-zuzeduriwikon.pdfIn PDF document text
- https://faluwesidiji.weebly.com/uploads/1/3/0/7/130738597/tutenemulomiwana.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4468537/normal_5feafbcb074e9.pdfIn PDF document text
- https://rutukosawokiw.weebly.com/uploads/1/3/4/3/134318214/rupiwanodupo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451353/normal_5fc60249b1326.pdfIn PDF document text
- https://tigasuzile.weebly.com/uploads/1/3/1/3/131379741/9414201.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496372/normal_60180a7980d5f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369653/normal_604b6217888d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414871/normal_604edb4db036f.pdfIn PDF document text
- https://fasosizive.weebly.com/uploads/1/3/4/3/134351581/gosifebijiludofew.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392441/normal_60012d2e47418.pdfIn PDF document text
- https://katubebadidi.weebly.com/uploads/1/3/4/4/134474785/xosobitulaxesugi.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/97fbb64b-0dce-4d0d-bf69-57b01d0c8cf1/2012_nissan_sentra_sr_service_engine_soon_light.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dff651d0-473b-49a6-810e-608d097d81aa/buzz_lightyear_electric_toothbrush.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9f0efe8-94fe-4441-b827-7c1e4b89696f/gulewitu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f4bd054-8151-41fb-a002-027cd30db8f1/31194648411.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca87a64a-1dd9-401b-852a-630b22e07b07/adjetivos_irregulares_comparativos_y_superlativos_en_ingles_y_espaol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56370c50-f726-4e7a-b278-c1cfcf781d60/futukabimiwiloru.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4820a792-a672-4b8a-9fb8-17bd7956ceef/6584517030.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_off0000e12c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE12C | 5704 bytes |
SHA-256: 66666df9ae6344ce6603a50aad8dc005a632466b9c56f7dc0f855c0dd4d1f762 |
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font_01_sfnt_off0000f497.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF497 | 10668 bytes |
SHA-256: 3c6160709a5a0edb6308892c2ecbc48c02b3e82baca809aebfbc6fa6c7afca0a |
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