MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URIs, with at least two pointing to potentially malicious or disposable hosting domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a tactic of using link farms on disposable hosting, suggesting an attempt to obscure the true malicious destination or to distribute malware through a chain of redirects. The presence of external URIs strongly suggests an intent to redirect the user to malicious sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://baarspo.ru/123?utm_term=platform+default+charset PDF link annotation
- http://gefakusudob.22web.org/71991518301.pdfIn PDF document text
- https://cdn.sqhk.co/lilaxikixo/sqx8ghf/47344444615.pdfIn PDF document text
- https://cdn.sqhk.co/wezufunin/ggidPXc/77571426076.pdfIn PDF document text
- http://shishkin-seed.xyz/lactic_acid_bacteria_fermentationiel7a.pdfIn PDF document text
- http://e-devletturkiyeaidatsistemimgovtr.com/ropigolofajuxarinxvtvj.pdfIn PDF document text
- http://all-system7.work/beery_vmi_scoring_form01gzx.pdfIn PDF document text
- https://cdn.sqhk.co/rifusofuwedi/OoxlOhd/women_s_college_basketball_coaching_jobs_openings.pdfIn PDF document text
- http://electrumwallet.buzz/alarm_chrono_watch_instructions_walmartuf5nl.pdfIn PDF document text
- http://taxiralimivi.iblogger.org/self_defense_definition.pdfIn PDF document text
- http://lanufutado.22web.org/battle_royale_mod_apk_latest.pdfIn PDF document text
- https://cdn.sqhk.co/pufojoloz/Sa6Chj2/mafotokovenuziparave.pdfIn PDF document text
- http://urro-hu.com/butoximivatavepidibanuzpod96.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kagedatabujo/16211826655.pdfIn PDF document text
- https://61090d85-22e6-4724-b969-52a17785150c.filesusr.com/ugd/952c2e_35c7b7dced36492cbce9308de101c370.pdf?index=trueIn PDF document text
- https://387a498e-9551-4239-9507-3183ba214552.filesusr.com/ugd/cd403b_7230cfa172d34bd28b7f0c23a17be670.pdf?index=trueIn PDF document text
- https://cd70d4e5-4a1a-4071-96d1-f2415ea5ece1.filesusr.com/ugd/7f46b5_eb5b5dbd78ba4039902907404c9a6e1b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/29947206-45f4-4334-ac3f-11cede04c6bb/19707100747.pdfIn PDF document text
- https://s3.amazonaws.com/vizegemawokaxe/26872766692.pdfIn PDF document text
- https://c78267de-509c-4cb0-9394-6b21b7876e04.filesusr.com/ugd/290ce3_36b449bd41c34453a89be44b9f47db60.pdf?index=trueIn PDF document text
- http://retajakiw.rf.gd/coriolis_mass_flow_meter_working_principle.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be2accb7-6c40-492b-ab0b-2d62e3721c8d/53530688626.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be4807ab-378f-47b6-8a77-cfc799d92f7c/59581373739.pdfIn PDF document text
- https://s3.amazonaws.com/sirilagewuga/kylie_bed_sheets_boots.pdfIn PDF document text
- https://56ca36fb-2ffa-469e-bb5e-3595d175fd87.filesusr.com/ugd/cacfd7_69bc60c3e19c4d9e9951643efaaca8cd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rejiner/19038548093.pdfIn PDF document text
- https://s3.amazonaws.com/ratixifo/guided_math_stations_4th_grade.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa3aeaaa-3b3a-4599-a2e5-ac422096ea1f/59463432795.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_off0001048f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1048F | 5260 bytes |
SHA-256: e92f50bfae930350c3629487ab07b1d058d6f4e5f7e666b1f7d23a820d206480 |
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font_01_sfnt_off00011649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11649 | 10716 bytes |
SHA-256: 8650b8c2c3f8ee13f0003663c64d35f042cca8c5dcaf9e849cea4f42d3bc6129 |
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