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-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://jacksth.ru/aws?utm_term=how+to+setup+vizio+soundbar+to+roku+tv PDF link annotation
- http://ludesajezopaju.medianewsonline.com/kenmore_washer_will_not_spin_heavy_loads.pdfIn PDF document text
- http://wikotimu.scienceontheweb.net/4874569941.pdfIn PDF document text
- http://terugate.mypressonline.com/lion_the_witch_and_the_wardrobe_movie_review.pdfIn PDF document text
- http://zonuvak.medianewsonline.com/2415062084.pdfIn PDF document text
- http://xufededubumavif.scienceontheweb.net/best_printable_heat_transfer_vinyl_uk.pdfIn PDF document text
- http://kinemulawaw.sportsontheweb.net/how_many_cups_is_a_medium_sweet_potato.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/cc3dee6e-f36a-4e80-a677-5250debdfc89/poxesekajolexepipagirirat.pdfIn PDF document text
- https://26c1613e-5d28-4fa3-89cb-3d2c9ab59faf.filesusr.com/ugd/fe83c3_739f0ecdf3894f81975f8a57af510e6d.pdf?index=trueIn PDF document text
- http://guwaxilajoxeza.onlinewebshop.net/18757322783.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5ca879b-66a7-4946-83ae-a50065c9b53e/sidewifususevosomi.pdfIn PDF document text
- https://b5526579-b22d-45a0-8251-9885a72cf3eb.filesusr.com/ugd/0cd019_047c8b6285b14491803e18ed731a7df5.pdf?index=trueIn PDF document text
- http://sujetokotew.rf.gd/g_shock_5081_battery_replacement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/acc698a8-7a2c-4531-8aec-9ed0931c8091/bufuluvop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2e640b6-dc18-479b-acc1-b5005e3ccb47/mujodunokuju.pdfIn PDF document text
- http://witesenigo.atwebpages.com/why_did_the_us_want_hawaii_so_bad.pdfIn PDF document text
- http://wenares.myartsonline.com/81306660957.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8eb81ed-8e8a-4121-a96f-16dac5edb119/how_to_maintain_hope_scholarship.pdfIn PDF document text
- http://jebafokar.rf.gd/dupurikituzimazawimagisu.pdfIn PDF document text
- http://kodireso.epizy.com/vuvulonodifi.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_off0000e767.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE767 | 5288 bytes |
SHA-256: 5d381699abe2018678c1a6706b57304cc017979a2836ad75321d1a8028d46b86 |
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font_01_sfnt_off0000f989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF989 | 10904 bytes |
SHA-256: 751402cf3d6cec0494127641e425e7722cd6514527e446e03c0934eef87f00e7 |
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