MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. 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 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://resalured.ru/strik?utm_term=adobe+premiere+pro+cc+2020+free+download+for+windows+7 PDF link annotation
- http://brandframeb.com/motor_vehicle_nj_driving_test_answersk7tvt.pdfIn PDF document text
- http://sberbank.link/how_do_you_get_free_xbox_live_codes3fihn.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497109/normal_6011ae0ae1041.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380393/normal_5fe5912b29596.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380543/normal_605c4697ac278.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378621/normal_5ff8c53caea81.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469375/normal_60299954e01da.pdfIn PDF document text
- http://rulabepotinujeb.mypressonline.com/kovivewiwipavovudutadiwu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451033/normal_602b4524aff1c.pdfIn PDF document text
- http://xonigej.mypressonline.com/character_perspective_worksheet.pdfIn PDF document text
- http://skywonder.space/zimubikopenozedvltd7.pdfIn PDF document text
- http://all-casino.xyz/toshiba_satellite_l755_battery_price_in_pakistan70y0i.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404757/normal_5fe8783c244dc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453102/normal_5fe3af5d95183.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://3c1efe6f-6e34-41bb-a2c4-2be85dd3cb33.filesusr.com/ugd/41f880_ac8ddb682d1b49ef95baa921d6def2e7.pdf?index=trueIn PDF document text
- https://507d1b22-ea03-4061-a262-f79425337ca2.filesusr.com/ugd/a374b9_47a97fe8b3dc406e944f1a9f9202d5d0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b5769f4d-7e5c-4aa6-ae89-e5a613cee88c/pozijuzedus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/44f37675-f6a0-4ba8-90ad-08de1075329b/how_do_i_reset_my_panasonic_home_phone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28c13297-4b9a-47e8-9aa5-517ace77528f/80702113550.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47ec668d-4685-4f45-a1de-2fb68c24dc2c/61134348572.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/325853c3-18dc-461a-a032-e619ed848e64/nojukonedifuniwopub.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_off0000e886.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE886 | 5876 bytes |
SHA-256: f899f2b3c90b204d39a37283357493d9415250dc7b88adf31d58bde8981e5804 |
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font_01_sfnt_off0000fc85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC85 | 11168 bytes |
SHA-256: 17bc52cdeae1f491c5d7ca9629c4462679d62df30f2794af1d94a715b6a381a9 |
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font_02_sfnt_off0001226e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1226E | 16144 bytes |
SHA-256: f0a8b786da721c7415a59d91fbce3b20bbb98ea32e48857ac1ff22d53b00ec29 |
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