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 0.9997
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://xezojetit.ru/123?utm_term=anemia+drepanocitica+en+el+embarazo+pdf PDF link annotation
- http://xufisuraber.22web.org/berserk_manga_latest_chapter_361.pdfIn PDF document text
- http://tapadobav.iblogger.org/vufusipiwelezorut.pdfIn PDF document text
- http://nalobuberejiner.iblogger.org/lightroom_presets_android_free.pdfIn PDF document text
- http://ronatum.22web.org/zevapijulivevinusurevav.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/5ac66150-7cf8-49bb-993d-e455e378f081/81714947354.pdfIn PDF document text
- http://xegewir.epizy.com/a_treasure_trove_of_short_stories_guide_download.pdfIn PDF document text
- https://11ab4cf5-156d-4417-99e9-5039b2a7eb5f.filesusr.com/ugd/82d61e_adb5565350b24df79f2d8471c4089906.pdf?index=trueIn PDF document text
- http://kunaraxanoxun.epizy.com/77435375135.pdfIn PDF document text
- https://6f81cef9-66a2-447d-9e1d-4c0427ef15c5.filesusr.com/ugd/4d935e_923fb6da07894dea8ed0fbeb703602fe.pdf?index=trueIn PDF document text
- https://6a1e2a5f-c456-4288-b9d5-5378f87870fb.filesusr.com/ugd/076fac_b4fa425524cc4632b349d2647b8a8b31.pdf?index=trueIn PDF document text
- https://63995da9-74be-4895-8497-a4fa53c9845d.filesusr.com/ugd/788c84_d22d8d14935641b3a223cd970f1b95fb.pdf?index=trueIn PDF document text
- https://ad0d0dbb-669b-46a9-85df-79487014a0f3.filesusr.com/ugd/00d95d_01a4d1ee51a34e178415430c5d19ac75.pdf?index=trueIn PDF document text
- http://fafinonez.rf.gd/lorenzo_s_oil_curriculum_worksheet.pdfIn PDF document text
- https://6739ca04-605d-4ff4-b4c9-4e5bd75a7819.filesusr.com/ugd/031dda_e75189fde8a54a23badc8b960554d2e3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/78af9a30-cb95-4c10-a7b2-498a6412ebc8/bissell_proheat_2x_brush_motor_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d707f167-e1d7-4c1e-ab8d-5749a8311c10/14593728496.pdfIn PDF document text
- https://da25564d-e3c2-4b9b-87ba-dd8ce2ae78d4.filesusr.com/ugd/c82cd6_677977fa3134443bb6ded2ada3b3aca1.pdf?index=trueIn PDF document text
- https://968bac2e-1409-45a7-bd11-2c37eba47390.filesusr.com/ugd/c81504_e3bbfec9597a407c9df9801b9880dc6b.pdf?index=trueIn PDF document text
- https://b6c9d0de-81a1-4db9-ab7d-8a95af9e63d6.filesusr.com/ugd/b28ae2_613dac9f8b394e57857f2f2b2c11f261.pdf?index=trueIn PDF document text
- http://dujisuga.epizy.com/nuffield_placement_report_example.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3ba530c3-20ed-48d5-958f-5f867bd371d0/sat_subject_test_scores_for_georgetown.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_off00011c14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C14 | 5304 bytes |
SHA-256: 65b4a26b2abb5508bdef886a6ea017d68ea55756ddc0adac7483ef93447169b9 |
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font_01_sfnt_off00012e09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E09 | 12644 bytes |
SHA-256: 941d6fb0f30389ef4a9ee59490e29a832a3bcbcde0e167cfa62b695d979e9c55 |
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