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 0.9998
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://traffnew.ru/123?utm_term=11+day+diet+generator+login PDF link annotation
- https://topizamo.weebly.com/uploads/1/3/4/4/134435864/0e957.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402933/normal_5f986e72c94d5.pdfIn PDF document text
- https://mimudokax.weebly.com/uploads/1/3/4/7/134742140/rinabinobatekoje.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378393/normal_5fc7d87971169.pdfIn PDF document text
- https://xegiwisupanax.weebly.com/uploads/1/3/4/3/134367095/daca346ddd61.pdfIn PDF document text
- https://jedidaril.weebly.com/uploads/1/3/4/6/134687024/pitunapisajotob-mubowubilowi-suzisidoroni-gutabobidesul.pdfIn PDF document text
- https://jelafabonopavu.weebly.com/uploads/1/3/4/4/134443296/26585.pdfIn PDF document text
- https://letateworu.weebly.com/uploads/1/3/4/3/134365764/5792483.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc4dcc35687f52b6b9a9a8f/t/5fcca7755177ea328cbdbd11/1607247734326/short_coffin_acrylic_nails_designs.pdfIn PDF document text
- https://s3.amazonaws.com/divexikav/landlord_lease_agreement.pdfIn PDF document text
- https://s3.amazonaws.com/lukepepe/40400327535.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24a23e3a-dac5-4e0d-9da9-2f641696daaf/64248223719.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0843e823-54d5-4b9f-821e-a3dc3ab20900/prepare_enrich_login.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_off0000ca56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA56 | 4876 bytes |
SHA-256: 24fff2274ee8099083eef9807f58a1ac3a3ef32a530fd31242e233aa6a62526f |
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font_01_sfnt_off0000db07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB07 | 11436 bytes |
SHA-256: 9d7100647f466d111faaf313d820321bc3969356ec901217e73721e87d3c29f3 |
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