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, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains metadata related to 'wkhtmltopdf' and a keyword search, further supporting the lure of external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://midufefew.ru/award?keyword=literary+terms+crossword+puzzle+1-20 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4460461/normal_5fd9485532d1f.pdfIn PDF document text
- https://cdn.sqhk.co/fafujedajir/uhjSql8/strategic_planning_process_model.pdfIn PDF document text
- https://cdn.sqhk.co/febenapox/jj5ijkJ/galaxy_attack_alien_shooter_pc_online.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403823/normal_603f36be18130.pdfIn PDF document text
- http://revilokepudidu.mygamesonline.org/what_is_the_entertainer_personality_type.pdfIn PDF document text
- http://falorilipeb.mywebcommunity.org/pakistan_studies_2nd_year_key_book_in_urdu_mcqs.pdfIn PDF document text
- https://cdn.sqhk.co/lafixafif/i3jhajj/hello_app_tamil_video_songs_download_share_chat.pdfIn PDF document text
- http://zesaguzijor.mypressonline.com/34049100074.pdfIn PDF document text
- https://cdn.sqhk.co/subetudagoli/jwhjZMP/general_ticket_online_irctc.pdfIn PDF document text
- https://cdn.sqhk.co/zujomawa/UZjjqfA/22895743880.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://945b3f91-9c76-4178-be32-f0dab3cfe2c6.filesusr.com/ugd/8d5d69_676ef221f4754b4888c2bd1b210254c8.pdf?index=trueIn PDF document text
- https://9d1e48ad-bcd7-4831-9b7b-7108443a63b6.filesusr.com/ugd/136d07_7fd93e5b849242e6b98eef3e6b98cd62.pdf?index=trueIn PDF document text
- https://9e730ba1-499c-413e-9a09-8a81f8121270.filesusr.com/ugd/0a0016_5485fc39bcd0443eacb8759773c9f1e3.pdf?index=trueIn PDF document text
- https://b20aee1f-b1b7-4e4e-be5e-d884e4ece670.filesusr.com/ugd/10e3af_642270ea02d8490e959d42b563b6237f.pdf?index=trueIn PDF document text
- http://sefowolo.atwebpages.com/75910508553.pdfIn PDF document text
- https://3465328d-eb21-4af5-a94e-b8fdacefaafa.filesusr.com/ugd/c63bf9_ebfc38df610f4b04a80068b954bc223f.pdf?index=trueIn PDF document text
- http://bilisedutave.myartsonline.com/54568876920.pdfIn PDF document text
- https://37523d11-79cf-4eb3-ada4-f05de57c71ee.filesusr.com/ugd/275374_5091b7d67721424dbf6f905946180e81.pdf?index=trueIn PDF document text
- https://94db4134-5784-44c5-a63d-963e509970fa.filesusr.com/ugd/9c58c5_c2d5749ceb5d425385e8cd001942e746.pdf?index=trueIn PDF document text
- https://3a00e800-a8eb-44ae-aafc-ae9aecab8e06.filesusr.com/ugd/1715bf_2e44c6eedaa647a7943049fca405a55c.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_off0000cf77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF77 | 5760 bytes |
SHA-256: 4d58ba00ded06d5603a4e609fe2bc8f41b5ff73194af81995878d9006abecb89 |
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font_01_sfnt_off0000e32e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE32E | 10008 bytes |
SHA-256: 554266f3ef2ae37babafb87db2feaa9f496876153c0de96558b161780a2fc94d |
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