MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, identified as a link farm, with a primary URL pointing to a site related to mental health testing. ClamAV and an ML classifier flagged this PDF as malicious, specifically as a phishing trojan. The presence of embedded URLs and the link farm structure suggest an attempt to direct users to potentially malicious or deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://golowaki.ru/award?keyword=how+to+get+tested+for+bpd PDF link annotation
- https://static.s123-cdn-static.com/uploads/4386824/normal_5ff45451e734f.pdfIn PDF document text
- http://zopokujejisolan.getenjoyment.net/white_boy_shuffle_song.pdfIn PDF document text
- https://migigazafakag.weebly.com/uploads/1/3/4/3/134377970/mapofopela.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466673/normal_6037eee819160.pdfIn PDF document text
- http://torixewiser.medianewsonline.com/biggest_steal_on_golden_balls.pdfIn PDF document text
- http://loxigedu.iblogger.org/lake_baikal_tourist_information.pdfIn PDF document text
- https://bupimapigi.weebly.com/uploads/1/3/1/3/131383283/juremuziv.pdfIn PDF document text
- https://latuxodin.weebly.com/uploads/1/3/4/0/134016845/filapuk-muvavesupigi-zexibivodamelon-joputujezig.pdfIn PDF document text
- http://vibolofisef.mywebcommunity.org/how_to_learn_finite_element_method.pdfIn PDF document text
- https://nerilumasufut.weebly.com/uploads/1/3/1/4/131437044/e0f02e23ea1fb.pdfIn PDF document text
- http://jujovobima.getenjoyment.net/81609138717.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475872/normal_5fe0a294b2db6.pdfIn PDF document text
- https://duparumiwope.weebly.com/uploads/1/3/4/7/134707207/wawurorowo_sagej_zowuw_xezuvol.pdfIn PDF document text
- http://nutigunejome.22web.org/betterley_insurance_reports.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://keximidurowu.rf.gd/burobanalisamun.pdfIn PDF document text
- https://a2fe464c-28d1-4db8-bb2d-552ad9bc2f4d.filesusr.com/ugd/941bb1_235c658eebd843b9a13822e8125e7a4c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e9a607fc-6ea7-4724-8faa-286e615a667d/supimekolitatoxa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/218535ab-fcbb-4ca3-a964-d73fc5133a5a/xizav.pdfIn PDF document text
- https://ebbb41b5-b8b7-4bfc-9e1b-23e79ad93844.filesusr.com/ugd/5eba67_8f875c03023649d387c74407ef596136.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1a5dd00f-8ec4-45ba-9f00-e11349e63dab/82692882758.pdfIn PDF document text
- http://sogisujomixugo.epizy.com/semerexomubabipumuzagek.pdfIn PDF document text
- https://f8d82b49-d438-4da2-b906-f876cb6fe635.filesusr.com/ugd/12dc78_444422ca79be4f62bd879f087199d850.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0ea3818d-ff9e-4c5b-b634-55b14d9f1c5a/las_religiones_ms_antiguas_de_la_historia.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_off00010ba4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA4 | 5160 bytes |
SHA-256: 107d54b5a9cf364f17372631a7d995bbe8189b64d7dcb8f2a415de75ad7c0c3e |
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font_01_sfnt_off00011d59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D59 | 10104 bytes |
SHA-256: 1283a64346e4c4329fba70b107aef76c5bf8ba22c40a4cb6bb35a8d465952175 |
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