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 0.9998
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://mezovuduw.ru/123?utm_term=family+registration+form+b+pakistan PDF link annotation
- http://tebapewulodafe.getenjoyment.net/what_is_projection_line_in_engineering_drawing.pdfIn PDF document text
- http://gupirigugorixuf.sportsontheweb.net/arduino_uno_code.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462974/normal_600e3ec58dfe5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426421/normal_5fe40e6a59660.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379032/normal_5fec4c861683f.pdfIn PDF document text
- http://fepaporipevari.mypressonline.com/22747160122.pdfIn PDF document text
- http://rawiduti.medianewsonline.com/can_i_move_my_fios_router_to_a_different_room.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b56e6f12-3f4b-4b75-bc29-9585eb3fba71.filesusr.com/ugd/73f0dd_d2d8a8e4683f41f4bc1c79cc0d6c928b.pdf?index=trueIn PDF document text
- https://7a1f2a0d-094a-4466-88af-72a4af93b9fa.filesusr.com/ugd/22739b_187787a874c6402490f414c8c67b3056.pdf?index=trueIn PDF document text
- https://9a89a7da-ede3-42eb-a537-7416be21eb2d.filesusr.com/ugd/aaaf79_7298fb889ba248918c3c171c1621769f.pdf?index=trueIn PDF document text
- https://0ecef3a8-5193-4df1-8dcb-1b7dd0f2be2a.filesusr.com/ugd/e6092c_5c2190eb7d14449e8dbcabe51b05e1e5.pdf?index=trueIn PDF document text
- https://52a1af19-6946-4c37-aba6-ab00a30e4874.filesusr.com/ugd/5dc3ca_11da928fbfed4c8b84a9798e2daf5291.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xewamejixolefaj/kivusabufaxigidat.pdfIn PDF document text
- https://s3.amazonaws.com/fizup/52983534624.pdfIn PDF document text
- https://24218389-b518-4ca3-8548-65eaf758daa4.filesusr.com/ugd/c836c3_4b6beecbe9f64020b29c7cc733c91bf7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jodabiladezot/kenyatta_university_admission_letter.pdfIn PDF document text
- https://6f4861c6-cdf0-4a5f-ba2d-f9c5e5bfbee6.filesusr.com/ugd/77941b_834220a17ed74a39948de8fa0368c9c9.pdf?index=trueIn PDF document text
- https://5fdaa9e0-ad6d-443b-8779-beb8e45026dc.filesusr.com/ugd/05301a_b52cdc7ef6b44583adbfedcd3abac2eb.pdf?index=trueIn PDF document text
- https://47c0d0ed-94e3-447f-940a-e265262d053f.filesusr.com/ugd/a43ec6_d9240477694e4d39b0b52df785f56a60.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wizuluworafid/2018_freightliner_cascadia_service_manual.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_off000108b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B9 | 5480 bytes |
SHA-256: 5046d62311625d19808d13099f400916c2db638150d424a396b35b0638eb9f5b |
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font_01_sfnt_off00011b5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B5B | 10904 bytes |
SHA-256: 675c872246d4cbe4aad1d86972884bf36a2d544d60f9950061214e180251db0a |
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