MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, and it contains a significant number of external links, indicating a link farm or phishing attempt. The presence of multiple external URIs and the 'PDF_SEO_LINK_FARM' heuristic strongly suggest the document's purpose is to redirect users to potentially harmful sites. No scripts were extracted, but the overall structure points to a malicious document designed for initial access via phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://druttle.ru/award?keyword=days+of+the+week+flashcards+pdf PDF link annotation
- https://cdn.sqhk.co/likunubiba/ihhgHLe/44147349053.pdfIn PDF document text
- https://cdn.sqhk.co/filomada/mYhaUgg/73115638151.pdfIn PDF document text
- https://cdn.sqhk.co/wuzufoxo/hjiibTi/fosuvofekexexa.pdfIn PDF document text
- http://cabinetshub.xyz/javebikamuxasusoruwh6qoe.pdfIn PDF document text
- https://cdn.sqhk.co/sebutarukaw/Hheejgq/pikolo.pdfIn PDF document text
- http://allostar.buzz/kabebifaluxidycpi.pdfIn PDF document text
- http://theporte.xyz/23000751046d7j6c.pdfIn PDF document text
- https://cdn.sqhk.co/minederepa/T5mhbhg/mcdonald_s_nyc_menu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://34886cf3-15ed-44db-93e8-8979dc7c4cd7.filesusr.com/ugd/ea2c45_a3d1629d3b214af6ba6a2405ce763c08.pdf?index=trueIn PDF document text
- https://7be8961d-effb-4c78-a255-78c3c9f0be09.filesusr.com/ugd/3dd68e_f6e992e2a17d4091aabfb90b49cb6c2b.pdf?index=trueIn PDF document text
- https://9b704b87-3668-414c-a24e-b30400fe0e33.filesusr.com/ugd/51c472_ec009f6b31c142689807344d93af13c4.pdf?index=trueIn PDF document text
- https://6b5d12f1-3bbc-48af-9ddb-5430d2fe15e7.filesusr.com/ugd/3bf302_9d6ea915af6f43689c37732a915ca541.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/timituvupame/67167477197.pdfIn PDF document text
- https://s3.amazonaws.com/tutapaxi/notary_affidavit_format_for_address_proof.pdfIn PDF document text
- https://237a2310-9536-43ad-add1-fe73b840a51a.filesusr.com/ugd/8b319d_7c333fbaaf0049e280a960322f6ce121.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/neviwove/48921417470.pdfIn PDF document text
- https://73f4d879-981c-49fe-abc7-520f36a14a84.filesusr.com/ugd/b77b08_a8f3d5e4a60c47078ef56c0f96a6063b.pdf?index=trueIn PDF document text
- https://728bf1be-24e3-4891-ba98-fedceca1a503.filesusr.com/ugd/3268c8_b3baba4f91854a06a3e982da58b20e1c.pdf?index=trueIn PDF document text
- https://10bc5e17-7652-4c7e-9b43-999b3eb3b021.filesusr.com/ugd/5edc69_00c39da391d542dab5e47ca3c06f86c4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bezegoluzose/92521372791.pdfIn PDF document text
- https://cd70d4e5-4a1a-4071-96d1-f2415ea5ece1.filesusr.com/ugd/7f46b5_3bf72c3388404ea59e85df5e66a745bc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bubodeliza/74396957019.pdfIn PDF document text
- https://7fe6b731-3703-45da-bcbe-faf39b4d3392.filesusr.com/ugd/880a7e_3532d19ab7ad479ea69a28c194c964e7.pdf?index=trueIn 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_off0000f322.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF322 | 5500 bytes |
SHA-256: 80cda7df48f15639424d5a408b07a0fb3fe7b256065be66d464ecfe5248f274d |
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font_01_sfnt_off000105f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F4 | 10584 bytes |
SHA-256: cdba36aea2045374eda180fb33f35b32c7d2bf50a45923ef21678231ab12be8a |
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