MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO abuse tactic. ClamAV and ML classifiers flagged this PDF as malicious, with one heuristic specifically identifying it as a 'PDF_SEO_LINK_FARM' and another as 'PDF_SEO_DISPOSABLE_LINK_FARM'. The presence of these numerous links suggests an attempt to either manipulate search engine rankings or distribute further malicious content, potentially leading to exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://zajinet.ru/strik?utm_term=tai+chi+online+classes+australia PDF link annotation
- http://sebevifa.getenjoyment.net/all_awards_and_honours_2020.pdfIn PDF document text
- https://sukaxivex.weebly.com/uploads/1/3/4/8/134895869/lofadulakorosa.pdfIn PDF document text
- http://futajef.medianewsonline.com/cambridge_assessment_english.pdfIn PDF document text
- https://mekebibarefuj.weebly.com/uploads/1/3/5/3/135335096/jagugowerofe-mowafozeki-figasiwuves-regub.pdfIn PDF document text
- http://dokojusekorukuf.iblogger.org/33886818135.pdfIn PDF document text
- https://zapunetiregete.weebly.com/uploads/1/3/5/9/135956705/pazezab.pdfIn PDF document text
- https://jejonogukoji.weebly.com/uploads/1/3/4/8/134864124/sumizela.pdfIn PDF document text
- http://nakodinita.scienceontheweb.net/zigudojazikeziwar.pdfIn PDF document text
- https://lukafitujukeme.weebly.com/uploads/1/3/3/9/133997152/9ed0597f186012.pdfIn PDF document text
- https://debovibeki.weebly.com/uploads/1/3/4/7/134715081/kiwogu-bewupebifugo-wodug-fotawawapime.pdfIn PDF document text
- http://nigoguno.scienceontheweb.net/what_is_a_centrally_planned_economy_definition.pdfIn PDF document text
- https://zelowomuguzak.weebly.com/uploads/1/3/1/3/131379017/2860341.pdfIn PDF document text
- http://bitejes.iblogger.org/podekexonofaj.pdfIn PDF document text
- https://gomafaned.weebly.com/uploads/1/3/5/2/135296522/4261879.pdfIn PDF document text
- https://pozemake.weebly.com/uploads/1/3/0/7/130776760/damim_xaretadoluxoro.pdfIn PDF document text
- http://pejelurim.getenjoyment.net/english_book_of_class_6.pdfIn PDF document text
- https://zefinefan.weebly.com/uploads/1/3/2/8/132816158/7505091.pdfIn PDF document text
- http://vogolimipogusoz.mypressonline.com/in_the_heights_movie_trailer_music.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wufikemofumop.atwebpages.com/damegomitawovidumejel.pdfIn PDF document text
- http://kujujonagojatu.epizy.com/what_does_the_relative_atomic_mass_tell_you.pdfIn PDF document text
- http://bugelinuxobeva.epizy.com/bendix_ad-_is_air_dryer_manual.pdfIn PDF document text
- http://jexiduro.rf.gd/cfb_boiler.pdfIn PDF document text
- http://ranitirunom.myartsonline.com/how_much_is_unlimited_hotspot_with_t_mobile.pdfIn PDF document text
- http://wodagewuxaver.rf.gd/answers_to_the_impossible_quiz.pdfIn PDF document text
- http://vasedazixi.rf.gd/jofitipigajizelisag.pdfIn PDF document text
- http://karatufi.epizy.com/lojuloluto.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_off0000f006.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF006 | 4836 bytes |
SHA-256: 1695c526360909cf477153d4528b74001c1768c8396b5e2542d553f41af1aa33 |
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font_01_sfnt_off00010068.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10068 | 10260 bytes |
SHA-256: 72b4ae09fe0ffcf720dab17e9c5537291c09b5b872815205f9bb34d635c23691 |
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