MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm used for SEO manipulation or phishing. The primary malicious URL identified is https://midufefew.ru/strik, which is likely used to deliver a secondary payload or redirect to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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+many+calories+in+arby%2527s+gyro PDF link annotation
- https://bevizopet.weebly.com/uploads/1/3/0/7/130776142/kixewatexutir.pdfIn PDF document text
- https://cdn.sqhk.co/gobejilu/AAhcjjz/noramigonibixofaxiza.pdfIn PDF document text
- https://rapofureduf.weebly.com/uploads/1/3/1/1/131164295/6286111.pdfIn PDF document text
- https://cdn.sqhk.co/foletesubuf/830x68y/stick_war_2_order_empire_online_game.pdfIn PDF document text
- http://fibaxoxadomi.sportsontheweb.net/51381111268.pdfIn PDF document text
- https://cdn.sqhk.co/dikizumi/hb9ghgd/65742202632.pdfIn PDF document text
- https://cdn.sqhk.co/tezizejaropu/dfsjf0x/super_slicer_cutting_wheel.pdfIn PDF document text
- http://mojofaza.mypressonline.com/24843565095.pdfIn PDF document text
- https://cdn.sqhk.co/tajudozizif/eij1nOo/crazy_frog_goggles.pdfIn PDF document text
- https://cdn.sqhk.co/naziwixolagu/ZixgeyW/xulavilufafek.pdfIn PDF document text
- https://teduzagegoxow.weebly.com/uploads/1/3/4/4/134400331/jusowafedaso_pofivudobebo_nogafopipib.pdfIn PDF document text
- http://wifisef.medianewsonline.com/physical_chemistry_a_molecular_approach_solutions.pdfIn PDF document text
- http://fuvisetitisenon.mypressonline.com/edital_prf_2020_em.pdfIn PDF document text
- https://cdn.sqhk.co/fofateze/aETZiff/retroarch_switch_nsp_forwarder.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://88bec3ce-9cdd-4818-a95b-bcf8ac49d1e7.filesusr.com/ugd/72df48_a29726b68b1d4ebcb62c44e86dee9846.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wolina/kaththi_mela_kaththi_song_audio.pdfIn PDF document text
- https://9f53eded-325d-4e02-8430-7c09bd872488.filesusr.com/ugd/e04405_7738a238d2a24d7a960e65f01f12a612.pdf?index=trueIn PDF document text
- https://a4758657-6aaa-4003-b0f6-1957e800abfd.filesusr.com/ugd/70c1f8_c412d5dc26ae4c4093c12b4df08368e7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zetituri/what_is_the_baptism_of_fire_lds.pdfIn PDF document text
- https://s3.amazonaws.com/dakebesuvum/accident_report_by_vin_number.pdfIn PDF document text
- https://77abcf6a-1f47-4233-a5f7-28832101be0a.filesusr.com/ugd/e29e5c_6d067a75b9a1439cb1e74dbb21499d86.pdf?index=trueIn PDF document text
- https://d2497fa9-5496-4194-9764-f4b168485e88.filesusr.com/ugd/eed259_fbb94e071964468ba012a4ad59d00eb3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xefezesebusu/buranda_busway_station_platform_1.pdfIn PDF document text
- https://s3.amazonaws.com/tubupejevomo/lumugiwunalenasumukugebeg.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_off00011fba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FBA | 5448 bytes |
SHA-256: dac07db201ce5e68437cb27d240b7a856d3deb4fd3a079ff5727636075aafcb1 |
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font_01_sfnt_off00013244.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13244 | 12396 bytes |
SHA-256: 96ff6674de867c4ada3efbb2aedcd39097cf0dd54fbd826a8be81af08b6c7017 |
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