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, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URLs and the heuristic findings point towards a phishing or malware distribution scheme disguised as an educational resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://dugedepap.ru/award?keyword=barashada+english+somali+pdf PDF link annotation
- http://ses-paypal.com/13859079255m7vmh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381090/normal_601b27063afc5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390350/normal_6008b789dc3c6.pdfIn PDF document text
- https://nolabuxovitu.weebly.com/uploads/1/3/5/3/135305824/zisawopetavepel_vejefasufuf.pdfIn PDF document text
- https://gelekale.weebly.com/uploads/1/3/4/2/134266195/dudaxazan.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388272/normal_5fe687f1de8b7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426075/normal_602c42ab7864b.pdfIn PDF document text
- https://zagamujibagixon.weebly.com/uploads/1/3/5/3/135326067/zikox_makisexuta_gagawamutos.pdfIn PDF document text
- http://christmas-gift.ru/gorovabikonetoketunoq6j03.pdfIn PDF document text
- https://majemuxisirilud.weebly.com/uploads/1/3/4/7/134719568/tedojemixiguwuno.pdfIn PDF document text
- http://bestunew.xyz/91725043620iip8v.pdfIn PDF document text
- http://bcpzon4segurabetaviabcp.com/wazime45i8b.pdfIn PDF document text
- https://kidubaviputotej.weebly.com/uploads/1/3/4/5/134520398/wulojuj.pdfIn PDF document text
- https://golisarupu.weebly.com/uploads/1/3/5/3/135317681/9051828.pdfIn PDF document text
- https://dorubirema.weebly.com/uploads/1/3/4/3/134317311/babidukefunog.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465548/normal_6046984b8dfa5.pdfIn PDF document text
- https://vumopofusub.weebly.com/uploads/1/3/0/8/130874587/4e2604.pdfIn PDF document text
- http://4d-5d.com/on_the_border_nutritionwoi6h.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/fe3b5d8a-3e15-46b0-8f10-9b788f4a0b86/jufifejitebesu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f90413f-8deb-4c18-ae71-ec898361c701/divergent_allegiant_free_movie_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59d9ec55-7adb-4d2d-b049-474250735dff/anne_bradstreet_to_my_dear_and_loving_husband_sparknotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9ac939e-f040-4700-bc3f-baeea5872bef/jadubaparuxop.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_off0001038c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1038C | 5504 bytes |
SHA-256: 5d06a381d5839c0be1b0587fc8e3ff3b0020b9589d34c8c9f4a7bd04aa96c81b |
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font_01_sfnt_off0001161b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1161B | 10976 bytes |
SHA-256: ebf07e9ef04255ab938cc6c682437177921d77c20fde311132cb9eb7f2cdc85a |
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