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 0.9995
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://nipisod.ru/strik?utm_term=2013+honda+civic+oil+service+reset PDF link annotation
- https://gefetejumifigo.weebly.com/uploads/1/3/4/6/134688955/3822842.pdfIn PDF document text
- https://vumusubivabup.weebly.com/uploads/1/3/4/4/134491869/29f4917bc88373.pdfIn PDF document text
- http://ponezivugatub.22web.org/mokulupamopigixirivome.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410020/normal_6013cb87d7e68.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408186/normal_604313a2647d8.pdfIn PDF document text
- https://buminezavo.weebly.com/uploads/1/3/4/6/134650892/refet.pdfIn PDF document text
- http://legalevi.22web.org/9th_std_tamil_guide_free.pdfIn PDF document text
- https://maritomumotoko.weebly.com/uploads/1/3/4/5/134512683/bufigulisotubep.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404965/normal_601efc92263a2.pdfIn PDF document text
- https://gegefajowib.weebly.com/uploads/1/3/1/3/131380265/991652108e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://507d1b22-ea03-4061-a262-f79425337ca2.filesusr.com/ugd/a374b9_6713ac0707174e4cbbab0ea8c4e13680.pdf?index=trueIn PDF document text
- https://7980b0ff-2efe-48f4-a442-6c87bca80713.filesusr.com/ugd/9bd8c3_060ee8675a924e09b8db42871630a6db.pdf?index=trueIn PDF document text
- http://motatowavem.epizy.com/vamebugixifujugofazud.pdfIn PDF document text
- https://40e214c1-1950-44e8-a195-e2c6eeb23253.filesusr.com/ugd/a517f4_65ed0db036004ef7810e2ff7cd225fee.pdf?index=trueIn PDF document text
- https://19aaccd0-9772-41b6-85c4-be118606641a.filesusr.com/ugd/a12125_c20092e16f434809bc407293904a7f65.pdf?index=trueIn PDF document text
- http://vevosewis.rf.gd/kalesavigugivugakagud.pdfIn PDF document text
- https://46ebecaa-9490-439b-bba6-ee77f1a6ca93.filesusr.com/ugd/cee8a1_2c8f4d8785d746a7a603630888851d2f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/woxewiwupir/features_of_a_spreadsheet_application.pdfIn PDF document text
- https://8a833fea-7c9a-4d2e-a5a7-d3590f42a3e5.filesusr.com/ugd/9aab09_45b24a246cf84c318a7b879f253a203b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jefazaxal/pubg_xbox_one_aimbot.pdfIn PDF document text
- https://bef89f6e-6323-4b84-ad9d-a44490bfcc4f.filesusr.com/ugd/96768c_08fa08f9d979495fab0999363923568e.pdf?index=trueIn PDF document text
- http://binasizula.rf.gd/vafixaxajupaza.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8C | 5268 bytes |
SHA-256: 5167f15c2eac281548729560b0eaa25528de11afab6965e22777fb1d0b3ad93a |
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font_01_sfnt_off0001015e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015E | 10908 bytes |
SHA-256: 56489ad9971ed7f61ba7b0912a06d9ec3eac86ecc331b69970205ac2452eaa37 |
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font_02_sfnt_off0001268a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1268A | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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