MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body, though heavily obfuscated, contains metadata suggesting it is a lure for 'Abra o de pai joao livro pdf', likely to entice users to click on the malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://nipisod.ru/123?utm_term=abra%25C3%25A7o+de+pai+joao+livro+pdf PDF link annotation
- https://sarixibaparuve.weebly.com/uploads/1/3/4/3/134382026/06ed8b8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387056/normal_5fec77ae4e462.pdfIn PDF document text
- https://jeduwisuduxib.weebly.com/uploads/1/3/1/4/131483356/nobebakorepojex_nogazevu_sabonimo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490001/normal_5ffdf58021024.pdfIn PDF document text
- https://dowisapi.weebly.com/uploads/1/3/4/2/134266119/7e18969ff9785e.pdfIn PDF document text
- https://kowulenube.weebly.com/uploads/1/3/2/7/132740682/vonakipe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446174/normal_6037d3a9d8927.pdfIn PDF document text
- https://gerugufudob.weebly.com/uploads/1/3/4/8/134869234/sebedigufisa_mevululas.pdfIn PDF document text
- https://kexarofewif.weebly.com/uploads/1/3/4/5/134505099/7296923.pdfIn PDF document text
- https://nunifabemavi.weebly.com/uploads/1/3/4/8/134871907/suduviv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471688/normal_6017b6238ffa4.pdfIn PDF document text
- https://xesuxikoju.weebly.com/uploads/1/3/4/0/134095833/aec386709e8.pdfIn PDF document text
- https://wegogitizunivom.weebly.com/uploads/1/3/4/3/134369171/senipobo.pdfIn PDF document text
- https://filuwanukolo.weebly.com/uploads/1/3/4/8/134874182/25330cb88f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378605/normal_60025a7ea0ff6.pdfIn PDF document text
- https://jadigitunuw.weebly.com/uploads/1/3/4/6/134672933/a4fe7c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388842/normal_60240f7a364d6.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/a4adf628-a392-4ce2-94a3-23908dc9ec26/download_video_bacaan_al_quran_30_juzuk_merdu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2efdea5f-c4a2-41ef-874e-f6aa2ae82fc5/boy_scouts_of_america_logo_vector.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d682443b-2719-43a7-b4e7-7c9746b6ad62/dapimezuduzugojoketa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/decd9a36-29dc-4039-8e5e-e2ac2ae80f1c/how_to_use_a_disposable_thermometer_tempa_dot.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_off0000d471.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD471 | 5304 bytes |
SHA-256: 50bacb7d6e3a427d7a48841ce96666ed6aee18cd70b2f2a4ef216d76806d4a5c |
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font_01_sfnt_off0000e693.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE693 | 13252 bytes |
SHA-256: ac28770ccd3649adbe2e733ab6ffb5142e453075e673d2b66e5d4add2c7d8004 |
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