MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users to potentially malicious content. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classification strongly supports its malicious nature. The embedded URLs suggest a phishing or malware distribution campaign.
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://jumiwimov.ru/wix?keyword=michael+k+miller PDF link annotation
- https://cdn.sqhk.co/jisanipu/ehjehdf/colored_pencil_clipart_black_and_white.pdfIn PDF document text
- http://copyrightnotices-form.com/rental_lease_template_caq3fwp.pdfIn PDF document text
- http://erogan-columbia.site/how_to_connect_smart_bracelet_fitproofg53.pdfIn PDF document text
- http://workmonster.net/dining_table_set_up_imagesrdu9d.pdfIn PDF document text
- https://cdn.sqhk.co/vefomatakin/ijhfNZR/tangled_characters_as_zodiac_signs.pdfIn PDF document text
- http://mini-cam2.club/bellwethers_regular_font_freendery.pdfIn PDF document text
- http://sehq.xyz/what_are_the_greek_and_latin_roots_for_auto9funi.pdfIn PDF document text
- https://cdn.sqhk.co/vavetiset/XmsMdgj/96751004705.pdfIn PDF document text
- http://mainsale.pro/zobaxixemezeznlf.pdfIn PDF document text
- http://phtech.site/clash_of_clans_pc_download_no_emulatorh9vep.pdfIn PDF document text
- http://m-ryanaf.site/33829717796nz37b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c6111751-42b6-464f-a8b1-832d492ff999.filesusr.com/ugd/3d0627_aa080cd9dec14115aa997e376485b35b.pdf?index=trueIn PDF document text
- https://56a7be67-7dca-40da-a973-69ad719fb73b.filesusr.com/ugd/fedf23_ebef81c1123b4bfeab193cfbba27e6a5.pdf?index=trueIn PDF document text
- https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_a1080dee50434c8497319ef792ac2fcb.pdf?index=trueIn PDF document text
- https://6f0a1f77-3195-4c90-aae7-8e5805bb56bd.filesusr.com/ugd/f94fd0_01bd46b2005b4e4ebbf35e54cdff6e2d.pdf?index=trueIn PDF document text
- https://59cf682b-6680-4a08-8b8d-0472bab64ef7.filesusr.com/ugd/d7d6cd_e4950bfde4a448f6978b70a5f3246f36.pdf?index=trueIn PDF document text
- https://5a11eff3-0c7a-45dd-bb89-060d4d4d2060.filesusr.com/ugd/72216b_eb8a94eaf7de4391bf3a112f07a45f1b.pdf?index=trueIn PDF document text
- https://5a1138df-423b-4a5d-a7c7-36223740754e.filesusr.com/ugd/a72fa8_bd4983943b14430298cbc2f5d666b069.pdf?index=trueIn PDF document text
- https://a181bb3e-7445-4f1f-a1cf-b2fe66c13e92.filesusr.com/ugd/91ce54_598f8de9302f4d7fa7bdc1831e645a5a.pdf?index=trueIn PDF document text
- https://b8436764-02b3-4471-8711-1e8fed235cf0.filesusr.com/ugd/3b3fbb_4fcf2b1cf0f8450cb4d24a5a5a8de11a.pdf?index=trueIn PDF document text
- https://76c87692-cca9-4651-be8e-de6412dad411.filesusr.com/ugd/fdad67_e7b25e4959b24a8f921480d3f7130a41.pdf?index=trueIn PDF document text
- https://e44de090-c64a-4a0f-b555-2784aa0ac37b.filesusr.com/ugd/41d583_f8fdbf8c862f4aff9a084775ae160403.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_off00010fd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD1 | 4928 bytes |
SHA-256: 5ca83b226ac1673d99adab8b3c8fd5fe548306b30918e97e375560760a6555ab |
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font_01_sfnt_off00012075.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12075 | 11504 bytes |
SHA-256: 3cee1846da413e1addabaaa3bc89a7f9dd712a5b10f2d8890638d74927634e0d |
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