MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.002 Malicious Link
This PDF file was detected as malicious by a machine learning classifier and ClamAV, indicating a phishing or trojan threat. The document contains a lure suggesting a fake invoice or payment request, combined with a password-protected archive hint, which is a common tactic to bypass gateway security. It also hosts a link farm with numerous external URLs, likely intended to redirect users to malicious sites for payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://golowaki.ru/strik?utm_term=dish+movil+gratis+para+suscriptores+registrarse PDF link annotation
- https://cdn-cms.f-static.net/uploads/4384461/normal_601514ed51d27.pdfIn PDF document text
- https://zabugejagovim.weebly.com/uploads/1/3/1/6/131637755/7c8e321469.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448976/normal_60621d50c5603.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487005/normal_6038fc340d9a4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448330/normal_5fcc99a44fabb.pdfIn PDF document text
- https://zapamapat.weebly.com/uploads/1/3/0/7/130775391/milujarawapej.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4528915/normal_602e42687f3c0.pdfIn PDF document text
- https://wixoxane.weebly.com/uploads/1/3/4/7/134734379/16ccfcf.pdfIn PDF document text
- https://takoremitivo.weebly.com/uploads/1/3/0/7/130738963/wupodomozizutew.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4498994/normal_5fc738d4306c3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449965/normal_606beaf73c52e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413228/normal_602b24228679e.pdfIn PDF document text
- https://silodadut.weebly.com/uploads/1/3/2/7/132712229/mujowisadozowag.pdfIn PDF document text
- https://nawawuxilebop.weebly.com/uploads/1/3/4/6/134679594/zewenotage.pdfIn PDF document text
- https://sapefita.weebly.com/uploads/1/3/0/7/130776655/f3de4d1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496391/normal_60214f8f2a7eb.pdfIn PDF document text
- https://nizufijaduwetep.weebly.com/uploads/1/3/5/3/135309937/popilutefopano-bojijimixim-wesiko.pdfIn PDF document text
- https://pameduvexeligim.weebly.com/uploads/1/3/4/5/134579292/629868.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/dudurat/letter_to_self_template.pdfIn PDF document text
- https://s3.amazonaws.com/juvuraguvutoxif/riwibojigigasu.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_off000102ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102BA | 5408 bytes |
SHA-256: 70250487455675f1bea4292f4bf040947e556569fc9788d297d7147a85b59972 |
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font_01_sfnt_off00011501.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11501 | 12272 bytes |
SHA-256: 894644835c903d8f3343f6ad10b458c3866e07330cd28eb86096dd33e0f825e6 |
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