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 0.9997
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://midufefew.ru/strik?utm_term=how+to+make+ham+and+cheese+sliders+in+the+oven PDF link annotation
- http://padeketun.iblogger.org/siferibo.pdfIn PDF document text
- http://ing-cliente.com/wifixivilajhw0sm.pdfIn PDF document text
- https://dowolozudatu.weebly.com/uploads/1/3/4/0/134000293/6273785.pdfIn PDF document text
- https://miniroworopan.weebly.com/uploads/1/3/4/4/134444940/xawuweti.pdfIn PDF document text
- https://guxuxexor.weebly.com/uploads/1/3/0/7/130775085/c5103.pdfIn PDF document text
- http://openlait.pro/beat_saber_custom_songs_pcd971p.pdfIn PDF document text
- http://harkateine.fun/pew_pew_iphone_wallpaper23wx2.pdfIn PDF document text
- https://ralerafuzirepob.weebly.com/uploads/1/3/4/3/134386916/fonimuxepamarebaguni.pdfIn PDF document text
- https://buralekareze.weebly.com/uploads/1/3/4/3/134326789/172403.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/74e31d6f-1668-412a-a783-611befae026b/98437114058.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3f381f2-24b7-4372-8bd6-e12fd893ac9b/the_lord_of_the_rings_the_return_of_the_king_video_game_xbox.pdfIn PDF document text
- https://s3.amazonaws.com/punurum/real_book_read_180_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1993d4ed-3b37-46a1-a837-e0e9f0ddbf00/vupufut.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50689b0d-e31f-46c2-b899-f779058cbaa5/descargar_ana_gabriel_huelo_a_soledad.pdfIn PDF document text
- https://s3.amazonaws.com/xomudufe/free_antivirus_for_windows_xp_computer.pdfIn PDF document text
- http://fifaraxilej.rf.gd/xoviwuzuvuwuxij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/66a33dfe-3b40-425f-b90a-3498a6af8455/22415682882.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3e135dce-cdca-4506-9b20-8250f0a927e2/how_to_get_a_better_sat_math_score.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2cf9a52b-5d87-483b-a71b-2e493b79caee/yamasa_slot_machine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d0106354-eb33-4349-b581-cdea93e03914/good_romance_movies_like_fifty_shades_of_grey.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_off0000e6a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A4 | 5356 bytes |
SHA-256: bc1a83975acf501b0b1283ba481044a358caea012795e71e3ee4b0e2e5f83291 |
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font_01_sfnt_off0000f8bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8BD | 11036 bytes |
SHA-256: de90700237fbe112253a79c1a65a849e94d461d1a287fdf2ac6ee516fd95b0cb |
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