MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF document contains a high number of external links, many of which are hosted on disposable domains, suggesting a link farm or SEO spamming operation. Crucially, it impersonates PayPal to phish for credentials, directing users to a malicious redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://jubibesu.weebly.com/uploads/1/3/1/3/131379113/wasiwuwasopuwagiraru.pdf.
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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://traffine.ru/123?utm_term=hut+shuttle+pdx+to+corvallis PDF link annotation
- https://static.s123-cdn-static.com/uploads/4420434/normal_5fdd35667e8a9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418987/normal_600c9d5e25066.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486354/normal_5ff25cb0389c5.pdfIn PDF document text
- https://cdn.sqhk.co/sepetuvab/GhhDjha/jerigajipidadakonivese.pdfIn PDF document text
- https://cdn.sqhk.co/disegivoji/wgfjdts/33309128561.pdfIn PDF document text
- https://cdn.sqhk.co/kelopifagisu/VtibmoX/xalatodaj.pdfIn PDF document text
- https://jubibesu.weebly.com/uploads/1/3/1/3/131379113/wasiwuwasopuwagiraru.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484624/normal_5ff7bd05b2722.pdfIn PDF document text
- https://cdn.sqhk.co/xokunafuse/Oid7njj/jedinov.pdfIn PDF document text
- https://cdn.sqhk.co/rosavuzezig/jdf5jaO/musizabazesararuzesu.pdfIn PDF document text
- https://cdn.sqhk.co/vibisidumes/bhggcNG/gilamosup.pdfIn PDF document text
- https://cdn.sqhk.co/xaloridinef/V1wjjia/42901561633.pdfIn PDF document text
- http://zuvakaxosamota.22web.org/tamilrockers_movies_2017.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416664/normal_6006213690dad.pdfIn PDF document text
- https://cdn.sqhk.co/kaxonavi/eaFghji/2759382546.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479684/normal_5fc9f9a7ddfa6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496001/normal_600157318420d.pdfIn PDF document text
- https://lumevukivejus.weebly.com/uploads/1/3/0/8/130874583/vufugudogorona_pubej_jetosidaja_kupokizabama.pdfIn PDF document text
- http://bidusifekinu.66ghz.com/fuvobusiki.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jipokogave.epizy.com/zowobuvixenojowal.pdfIn PDF document text
- http://gakupoxefale.epizy.com/mepufiriso.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_off0000e228.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE228 | 5252 bytes |
SHA-256: 48204218243d030b33dca3a481db6372e941ad24bf26bc1fb55d893a839335a0 |
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font_01_sfnt_off0000f400.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF400 | 10992 bytes |
SHA-256: d69721ae897df72cd56a2293a45f16205f16b2c04074bae4255487b1ec2b2098 |
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