MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a LOLBin command-execution lure. 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 0.9991
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://dafemum.ru/strik?utm_term=how+to+use+scissors+to+make+ribbon+curly PDF link annotation
- https://static.s123-cdn-static.com/uploads/4489042/normal_5fc63ac65e166.pdfIn PDF document text
- http://visezuxopusifik.iblogger.org/pibirubu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409623/normal_5fddd9e51688f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408343/normal_600d0c3877ebc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446151/normal_60663d9786e86.pdfIn PDF document text
- https://rajopolaxobi.weebly.com/uploads/1/3/1/4/131406270/7774067.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376601/normal_6015b76c75388.pdfIn PDF document text
- https://malabukepi.weebly.com/uploads/1/3/0/9/130969546/fikakekutu_giloxatif_fafazol.pdfIn PDF document text
- https://revuzigo.weebly.com/uploads/1/3/4/3/134352577/6650047.pdfIn PDF document text
- https://kazilapematif.weebly.com/uploads/1/3/5/2/135293457/tidorusuv.pdfIn PDF document text
- https://kopabiziruzoxol.weebly.com/uploads/1/3/1/4/131406592/nofowab.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vosanibom.rf.gd/jozifekitunokag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cf80781a-e79e-4074-a4bd-8041f550479c/what_is_the_best_sketch_app_for_ipad.pdfIn PDF document text
- https://s3.amazonaws.com/dewutexorob/how_long_does_disability_determination_take.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffdc3025-ee84-49ca-8490-b0c206c20ce4/the_uses_of_enchantment_bruno_bettelheim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3248dd2-3ebd-4041-af8e-67c4d6377cad/67588201926.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92f85ecc-c732-45ee-a2ee-61965211896d/how_long_do_ecg_results_last.pdfIn PDF document text
- https://s3.amazonaws.com/wusigipufuvowix/fly_to_paradise_sheet_music.pdfIn PDF document text
- http://jipopoj.rf.gd/biwifisepij.pdfIn PDF document text
- https://s3.amazonaws.com/nawosineromigi/twilight_1_release_date.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de9f777a-232f-4011-bbe0-af5ed8f7e37f/63352185623.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/39c65117-5759-4b94-bb7d-1c7120888c26/56585794252.pdfIn PDF document text
- https://s3.amazonaws.com/jarirotexab/17633910161.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7290c1e-6f18-4096-9ece-b1fbea5f83e3/kewuka.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_off00010ac3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AC3 | 5304 bytes |
SHA-256: e2b4134e286bd24fce6ddace2e46233fb2199fc9fd03354fa2065e2da14e090c |
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font_01_sfnt_off00011cca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CCA | 10812 bytes |
SHA-256: e5e85ee1d70ee3e0368e7821eeb82608d9d3c3a4ad27817af786e1a7f5caf806 |
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