MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users. The presence of 'Articulate 360 trial' in the document body and URLs indicates a lure for potential victims. ClamAV and ML classifiers confirm the malicious nature of the PDF, likely serving as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://vilenefex.ru/123?utm_term=articulate+360+trial PDF link annotation
- https://cdn-cms.f-static.net/uploads/4426060/normal_605c6ada511e8.pdfIn PDF document text
- https://riwumoba.weebly.com/uploads/1/3/5/9/135965326/xojakiwapizirodenuj.pdfIn PDF document text
- https://fumunavizagoz.weebly.com/uploads/1/3/4/2/134235019/dekagokawutesilu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451565/normal_5ff53c77535b3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484609/normal_6008aacdb4be0.pdfIn PDF document text
- https://xitirume.weebly.com/uploads/1/3/4/3/134392652/7064665.pdfIn PDF document text
- https://purelukanixavaj.weebly.com/uploads/1/3/1/4/131454065/wugidit-kibuz.pdfIn PDF document text
- https://kujogumaras.weebly.com/uploads/1/3/4/4/134497752/jubazidifiku.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4471704/normal_60b0c7833170d.pdfIn PDF document text
- https://tilemutafadat.weebly.com/uploads/1/3/1/8/131856023/nemekokikizuxu-gamozisabibori.pdfIn PDF document text
- https://bisaderivulele.weebly.com/uploads/1/3/4/7/134744485/robovefuwat.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501501/normal_60200a3e94bb1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468554/normal_5fd67f68ecdaf.pdfIn PDF document text
- https://nazafusi.weebly.com/uploads/1/3/5/2/135297870/3919192.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365636/normal_5ff0174e38b92.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/90d584cd-8b2d-43a5-ad90-4da9faecfc3e/stairway_to_heaven_guitar_solo_youtube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fcec6afe-91f4-43a1-b4c3-3d340c4b8e38/88705678068.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7b6d12f-a9cf-48cf-8147-49612c5e4fb6/how_to_train_your_dragon_2_full_movie_in_hindi_download_9xmovies.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/623da72a-aacf-421d-8e70-8bb0f042dd8c/who_is_the_richest_nigerian_rapper.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88716c83-33a7-4143-8cd5-7831554d10cd/is_toshiba_ct-rc2us-18_a_smart_tv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e476137a-0960-4b1c-8e05-904692aaa964/41116736035.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010737.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10737 | 5064 bytes |
SHA-256: 7ef6a0cd5ffd3a19572b7cafe67c0b20f43637f2b303891e37022567dcc16db0 |
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font_01_sfnt_off00011877.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11877 | 12300 bytes |
SHA-256: 10b3798978c120655686ca8e64df73cfcf009c5149b13af61a08e631d9cd56fe |
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font_02_sfnt_off00013f82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F82 | 16144 bytes |
SHA-256: 2a5f1667c2e343500efde63e3dd6a136498333968b1680966ac5eb34589f1174 |
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