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 0.9996
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://midufefew.ru/123?utm_term=2019+calendar+with+bengali+holidays+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4375521/normal_5fd7947b722ad.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475196/normal_6007404cd64a1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497356/normal_600a04df73377.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407562/normal_60145c465dbc8.pdfIn PDF document text
- https://xavilisepu.weebly.com/uploads/1/3/4/2/134235747/tuzamowevin-narikupim.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464730/normal_5feffa2aa76af.pdfIn PDF document text
- http://igonlinesupport.com/real_bike_racing_mod_apk_happymodlxnbh.pdfIn PDF document text
- http://dithetsen.xyz/55410788459clgic.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405184/normal_6033338b5db9a.pdfIn PDF document text
- http://vashe-zdorovie.xyz/52348612484pbuuf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372967/normal_5fd263e2170e3.pdfIn PDF document text
- https://jupifezugaj.weebly.com/uploads/1/3/0/7/130739886/bepixutuvapogedunari.pdfIn PDF document text
- http://byseles.xyz/79482427780tj65w.pdfIn PDF document text
- http://marketop.club/92100432560u75pw.pdfIn PDF document text
- https://nifudosuv.weebly.com/uploads/1/3/4/0/134040563/5737865.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://42cc6f6d-9125-48bc-bce4-1bf15f49b1be.filesusr.com/ugd/7c30af_589f8b4355f54f6b9fde905713b6db65.pdf?index=trueIn PDF document text
- https://01c19f78-c7d0-441a-b56a-8672493f87de.filesusr.com/ugd/9d66c7_28941e7ecf9b416d910d606125b408e6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/15144206-7aa6-48c0-b657-86e486500400/tafidapota.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b786a8f8-2642-4dd3-afb2-0c0037a87be5/lg_dle2301r_not_heating.pdfIn PDF document text
- https://e46eb8ae-11b5-47af-91b5-79e2db369635.filesusr.com/ugd/f84671_945a3f7e047f489da275ff2e4d9e6675.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7ce5aea5-7d99-4cca-bd64-540ff4c86163/29966486308.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_off0000f3af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3AF | 6140 bytes |
SHA-256: 46ef13ae2be09226b096fecc4d53e66d2210ecd843791e57386cd07dedc4ad94 |
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font_01_sfnt_off00010893.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10893 | 2292 bytes |
SHA-256: 0768a9456ef989022cc8067abf08e22131d20cc729927cbb6294952cc648c34b |
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font_02_sfnt_off000112f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112F0 | 11532 bytes |
SHA-256: b994a45c2d68daf65bb8dcd581317ac522d21aa3db8d424ae233a072a02bdb1f |
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