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 0.9986
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://pelibifir.ru/strik?utm_term=tim+o%2527brien+the+things+they+carried+chapter+2+summary PDF link annotation
- http://sellforce.ru/rajewubulakuramated2ma5v.pdfIn PDF document text
- http://otshelnik.net/544531044570y6ni.pdfIn PDF document text
- http://soldonlittleton.com/80244569260i0sqv.pdfIn PDF document text
- https://varukixenusenat.weebly.com/uploads/1/3/4/7/134700479/buwagodoxabazur.pdfIn PDF document text
- https://cdn.sqhk.co/ditetona/KHJhb6L/lily_s_garden_ads_meme.pdfIn PDF document text
- https://feraresafobigim.weebly.com/uploads/1/3/0/8/130813798/midedu.pdfIn PDF document text
- https://cdn.sqhk.co/rorefevobo/iifj2CW/larva_heroes_battle_league_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/vobilurerire/eqifijp/78037048013.pdfIn PDF document text
- https://cdn.sqhk.co/mixaluwekitu/Wnl1Mje/68839425655.pdfIn PDF document text
- https://nugilura.weebly.com/uploads/1/3/5/3/135317706/6c4941ae.pdfIn PDF document text
- https://cdn.sqhk.co/nuponoviva/F5mPMjd/53896094721.pdfIn PDF document text
- https://xupulepil.weebly.com/uploads/1/3/4/3/134322414/vonirexakisele.pdfIn PDF document text
- https://famixarusefon.weebly.com/uploads/1/3/4/3/134396739/teletajelobabanupin.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/jupoti/mosof.pdfIn PDF document text
- https://4bbf79d8-97e4-42de-9a75-948158c354f0.filesusr.com/ugd/52f5d3_f7991600ad524b6684417bb1aadcef44.pdf?index=trueIn PDF document text
- https://2e5cbe44-7de3-4e3f-b94c-8a8567814465.filesusr.com/ugd/f96b02_8d9bfe1602f545c5b83ffb9c8eaa1b5c.pdf?index=trueIn PDF document text
- https://75e6061f-eb7a-4ce8-b546-077bf96366c3.filesusr.com/ugd/2dfd19_631ebcd0413145ce8ee245179d951c13.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a870e703-d6a0-4007-adff-378e99ede818/65884097576.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c896f2b-b94a-4ce2-be38-411088ebcf09/dolce_vita_spa_prices.pdfIn PDF document text
- https://436240a4-ef10-404e-ad90-c5cab949c7af.filesusr.com/ugd/3fb742_a1afe75659904644a2da86957746830a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/63d39c46-c42d-4e6c-b564-c35c0a50707b/kixeworanok.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10194440-1425-4afc-89b4-7b1f6cbc0cb9/ridixadokutajowimiwiriwo.pdfIn PDF document text
- https://s3.amazonaws.com/pevarijidasalop/circuits_worksheet_ks3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ddfe053b-9650-4fc6-844a-5411a21a9c22/how_to_power_down_an_adt_alarm_system.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000143cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143CD | 5812 bytes |
SHA-256: e676b3ef0780c831867628e77a96b9e587b8d8bbb22444d5bbcc5dfb72e8d059 |
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font_01_sfnt_off0001577d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1577D | 11444 bytes |
SHA-256: 96d0e91776d493b53d925382618fdddb3126eecfcb5d7f37773337633bc45ff5 |
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font_02_sfnt_off00017ec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17EC2 | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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