MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://crophysi.ru/strik?utm_term=how+to+use+scratch+jr+app PDF link annotation
- https://cdn.sqhk.co/dekavaka/Yjbjbjg/new_five_nights_at_freddy_s_game_2020.pdfIn PDF document text
- https://cdn.sqhk.co/sidamebo/hbSjjgf/party_music_2020_list.pdfIn PDF document text
- http://xulepeban.22web.org/84430502543.pdfIn PDF document text
- https://cdn.sqhk.co/gemukojev/yghqxV1/mulufuxa.pdfIn PDF document text
- http://bibunom.iblogger.org/dovowawosoxili.pdfIn PDF document text
- https://cdn.sqhk.co/bapulofuw/sjgPR3V/jazuxatemasusovev.pdfIn PDF document text
- https://cdn.sqhk.co/jutigurotow/gzjcigW/rubavowarevowexoxeralij.pdfIn PDF document text
- https://cdn.sqhk.co/diwiporeb/gd3jefq/nigikes.pdfIn PDF document text
- http://siviveko.getenjoyment.net/molotov.pdfIn PDF document text
- https://cdn.sqhk.co/bujasugawo/c9CN4hb/kezevusofape.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9df6e0af-a028-4e88-91ba-61a1b37318d5.filesusr.com/ugd/7c1f05_e545b4f0af5c4b178f93c3b4ee3d8439.pdf?index=trueIn PDF document text
- http://sosozodazu.epizy.com/91992470498.pdfIn PDF document text
- http://satogitexuvo.myartsonline.com/84136306104.pdfIn PDF document text
- https://c6de0af5-2a4c-46da-924c-839bccb102c6.filesusr.com/ugd/5f1f0f_9b5143ee15ab4995943e0e555a2aeb95.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/folexapurilowe/secret_admirer_movie.pdfIn PDF document text
- https://s3.amazonaws.com/xakapudakadu/2406422530.pdfIn PDF document text
- https://be1d055c-b83b-422e-9e68-1bf13cef350c.filesusr.com/ugd/5b1e3c_7f6723a31aef43c5a7e77e91b9304558.pdf?index=trueIn PDF document text
- https://d9c73feb-c945-4d97-9d44-ff62a4b57c47.filesusr.com/ugd/12056e_22fdced597b34a6faf2d48ff0437c2df.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/likadojivivofu/15751064637.pdfIn PDF document text
- https://170d08c7-2527-4f8e-8bc4-cf7f6ffab704.filesusr.com/ugd/afe24e_e616a61ae37441dc944650b7c402a57a.pdf?index=trueIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fadf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADF | 5120 bytes |
SHA-256: 3f9d294cd34e406cbff2ed716289d656e0bc8ed7c0cd679862c33dab624bb218 |
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font_01_sfnt_off00010c53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C53 | 2292 bytes |
SHA-256: 71c8e8a8e626379180ec2f0b867d7ababd5a180fd849c5281b528d42c8a8b37d |
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font_02_sfnt_off000116b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116B4 | 11048 bytes |
SHA-256: 95b84369c9a1a90500723e3e5e24772f63292a5c6074e7c70180b592884a1698 |
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font_03_sfnt_off00013c88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C88 | 16036 bytes |
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb |
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