MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous external URIs, with a specific focus on SEO manipulation. The primary URL, 'https://golowaki.ru/123?utm_term=chief+information+security+officer%2528+ciso+certification', suggests a potential phishing or spamming campaign disguised as legitimate content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://golowaki.ru/123?utm_term=chief+information+security+officer%2528+ciso+certification PDF link annotation
- https://vamibigomez.weebly.com/uploads/1/3/4/4/134438308/9479281.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475992/normal_60434cab51a04.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448718/normal_6033ad3cb1717.pdfIn PDF document text
- http://lnstagram-copyright-confirms.com/plantronics_backbeat_pro_3.5mm_audio_cabledgr1o.pdfIn PDF document text
- https://guzepebizosi.weebly.com/uploads/1/3/4/8/134880367/gezapebevalavimamev.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367625/normal_600a5586b5be7.pdfIn PDF document text
- http://moneymaya.site/mezawuliguxe0azop.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413456/normal_5fe7b80a026bf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451574/normal_5ff71181c0e43.pdfIn PDF document text
- http://reduslimitaly-ufficiale.site/wekeziufcz.pdfIn PDF document text
- https://fagutefoxod.weebly.com/uploads/1/3/4/2/134235025/zazef_jobux_wogaraxizotimi_kosan.pdfIn PDF document text
- http://help-verifiedbadgecenter.com/31898390669uxe1k.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380881/normal_60149023e015f.pdfIn PDF document text
- https://rumevupalod.weebly.com/uploads/1/3/0/7/130739773/mogixavavoxi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/roxawo/glencore_agri_annual_report_2018.pdfIn PDF document text
- https://9df6e0af-a028-4e88-91ba-61a1b37318d5.filesusr.com/ugd/7c1f05_159d8479e689435b9eb5f9f2a31cd18a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/juvuraguvutoxif/38881959663.pdfIn PDF document text
- https://fbaba6ab-37cf-477f-82bd-e10a416eccda.filesusr.com/ugd/3c8574_13ee46f2cf4b482e94e8264f1f6b53bd.pdf?index=trueIn PDF document text
- https://dd91dc4b-d2fe-4aab-ab17-22023aa64d5b.filesusr.com/ugd/f05b1d_57bc1c9de49a4dfe9a4c2a9db9188776.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bevarolimesale/arjun_patiala_1080p_video_songs.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_off0001007d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1007D | 5176 bytes |
SHA-256: f28f00d473fc501662bfb58833c0b4d984e854c7e68c1adff05917417739f003 |
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font_01_sfnt_off000111fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111FB | 11056 bytes |
SHA-256: bedf818ce979db225251cf7aa5fd4247f842930b9b5d87438aa4beebd3293ef0 |
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