MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable domains, indicating a link farm or SEO spam operation. ClamAV detected this as Pdf.Phishing.Trojan, and ML classifiers also flagged it as malicious. The primary malicious URL identified is https://gimoguvi.ru/strik?utm_term=trane+cleaneffects+filter+replacement, which likely serves as a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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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 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://gimoguvi.ru/strik?utm_term=trane+cleaneffects+filter+replacement PDF link annotation
- http://palifagumelu.22web.org/71069477760.pdfIn PDF document text
- http://mutinujevax.22web.org/sample_blood_test_report_for_dengue.pdfIn PDF document text
- https://fusonunobowur.weebly.com/uploads/1/3/0/8/130813531/f387b2bfd9d5.pdfIn PDF document text
- http://ledagipuwuzuz.22web.org/77628460315.pdfIn PDF document text
- https://tuxupurevulivi.weebly.com/uploads/1/3/0/8/130813143/venefikusatitub.pdfIn PDF document text
- http://dosijefa.mypressonline.com/lesaterumu.pdfIn PDF document text
- http://benivosefemiza.medianewsonline.com/gifakazopabusasov.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://eb40363d-1d1f-4170-a897-f23f0f433116.filesusr.com/ugd/2a1429_4e6487012aec433da7aa510d61622a07.pdf?index=trueIn PDF document text
- https://e8dc5420-792a-4861-90db-09cfc8d8a7d1.filesusr.com/ugd/1378f5_d0e688aba4c24fd68a6436b8ca734b66.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dotivaf/mufimuzekimebodokurakol.pdfIn PDF document text
- http://batapijas.myartsonline.com/contingency_approach_to_management.pdfIn PDF document text
- https://60b161a2-b511-46bc-b48c-7ca4331f2db3.filesusr.com/ugd/34b71b_4a7c28994f6c41938371db6e972dbda3.pdf?index=trueIn PDF document text
- http://xekapakifujekem.onlinewebshop.net/viridumabup.pdfIn PDF document text
- http://likutolejit.onlinewebshop.net/93943821581.pdfIn PDF document text
- https://s3.amazonaws.com/gazivemon/arduino_uno_timer_datasheet.pdfIn PDF document text
- https://s3.amazonaws.com/muvevanepen/what_kind_of_hydraulic_fluid_does_a_kubota_take.pdfIn PDF document text
- https://14864a69-2465-45da-a912-c6f78a3f99b9.filesusr.com/ugd/409ca8_2f882c3f57354790a92b5b6515ae2a9e.pdf?index=trueIn PDF document text
- https://1f571a09-6495-4108-bd1a-9715deae29b5.filesusr.com/ugd/b0bf26_4d8a4f16dcea4f81a756b493129c6cb7.pdf?index=trueIn PDF document text
- https://2c5a832e-93c4-4ab0-bef0-969ef348d747.filesusr.com/ugd/cc5daa_fb00b0f2bb224a84aca9ee420227dd6f.pdf?index=trueIn PDF document text
- https://19f621d4-ab03-49b5-bf1d-c78de40104d4.filesusr.com/ugd/bc84a3_19821ce4b20a426280f7f2e37c0fe4f9.pdf?index=trueIn PDF document text
- http://dopafedoxafedar.rf.gd/difference_between_cpld_and_fpga.pdfIn PDF document text
- http://tukemujixoku.rf.gd/nuweposafej.pdfIn PDF document text
- https://064d663d-f6b2-44cf-a6ad-083da5f315e5.filesusr.com/ugd/77eba6_b15e92c05ea541e3aee847f66f81c8fd.pdf?index=trueIn 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_off0000f076.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF076 | 5112 bytes |
SHA-256: 4e8e21cb3e85d6dc38162228fa816930f7fe6139a9399e5164557b3dfc123388 |
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font_01_sfnt_off000101c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101C6 | 11332 bytes |
SHA-256: fded22a1a0c55315f6245b05a34b7f3c4b34ead826a3f1675edf61f142d4fea9 |
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