MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, indicating it is likely a phishing or trojan delivery mechanism. It functions as a link farm, containing numerous embedded URLs, one of which points to a known malicious redirector. The document body is heavily obfuscated and appears to be junk data, suggesting the primary purpose is to host links rather than convey information.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/aws?utm_term=metamorphosis+by+franz+kafka+analysis In PDF document text
- https://dagatofolake.weebly.com/uploads/1/3/0/8/130874029/8929670.pdfIn PDF document text
- https://pagugedupe.weebly.com/uploads/1/3/4/2/134266786/xosowa.pdfIn PDF document text
- http://fafuzum.sportsontheweb.net/standard_costing_and_variance_analysis_in_management_accounting.pdfIn PDF document text
- https://dozevexenunapaf.weebly.com/uploads/1/3/4/0/134017655/zabom.pdfIn PDF document text
- http://vixegoxufareka.getenjoyment.net/jokefux.pdfIn PDF document text
- http://kuzexamipapoxip.medianewsonline.com/42860459625.pdfIn PDF document text
- http://lunatan.medianewsonline.com/morse_cutting_tools_catalog.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/03d31c31-89ce-44b3-a5af-a8ed0d975327/the_standard_east_village_ny.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61eee771-6943-4a45-bbd1-08dc4b2864fa/cost_of_rosetta_stone_english.pdfIn PDF document text
- http://xumuritikoxuk.myartsonline.com/diagnosis_and_treatment_of_tuberculosis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5c267c9-6553-4493-86b4-7b96f81dee8b/death_note_anime_netflix_country.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/633b7efc-dda0-44b5-a16c-28683ba4b37d/garmin_dash_cam_55_cost.pdfIn PDF document text
- https://s3.amazonaws.com/tufitijinexu/what_did_congressional_reconstruction_fail.pdfIn PDF document text
- https://s3.amazonaws.com/murudute/56818340575.pdfIn PDF document text
- http://vuroxazejugu.epizy.com/42757945341.pdfIn PDF document text
- http://feletik.epizy.com/97692523290.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03325dbd-f978-4306-83ff-99719f43d1f8/zitakafaruviwovazinaxireb.pdfIn PDF document text
- https://s3.amazonaws.com/zamuriza/babemizuzunarowofewut.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14bf9ec3-d25c-497a-adaf-ce23aa7b380a/30668098836.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3c1bf120-514a-49d5-9a1d-5b1b6e5cd050/how_to_write_an_evaluation_essay_on_a_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1dc94e53-b9b9-455b-9734-2b38f5de5dba/21866108858.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_off00013318.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13318 | 5504 bytes |
SHA-256: 9f505022137800c4811120781a412c55de6f19eaaab488cdf718935bfb8cac74 |
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font_01_sfnt_off000145be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145BE | 12144 bytes |
SHA-256: 4e7f9360828a11524e80f066c148257eda878b815f6a28c2d799e17b1c4619e9 |
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