MALICIOUS
166
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 0.9995
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://nipisod.ru/wix?keyword=how+to+unblock+emails+on+yahoo+mail+app PDF link annotation
- http://topmassage.net/kannada_channels_live_tv_for_androidwv6h8.pdfIn PDF document text
- http://privateguardingserviceagainstdanger.site/kumizofb09mk.pdfIn PDF document text
- http://aov.one/melirejalifasozavadibuv19q6a.pdfIn PDF document text
- https://cdn.sqhk.co/buzovegom/jh6idjd/4462799060.pdfIn PDF document text
- https://cdn.sqhk.co/leguzufaju/igJSgeD/world_war_iii_maxthademon_lyrics.pdfIn PDF document text
- http://copyrightnotices-form.com/amazon_echo_2nd_generation_priceyu1kz.pdfIn PDF document text
- http://itravelimpressions.com/81180994547v4kn2.pdfIn PDF document text
- https://cdn.sqhk.co/bagudivibi/eiajcq6/spider-_man_rope_hero_games.pdfIn PDF document text
- http://onlinesos.tech/60_day_notice_to_landlord_california_templatenj7jq.pdfIn PDF document text
- http://rusherx.studio/pentair_water_easy_touch_troubleshootingp3417.pdfIn PDF document text
- https://cdn.sqhk.co/fugutexifi/eGGzPic/xoziwulozof.pdfIn PDF document text
- http://fesigemujelepir.66ghz.com/assassin_creed_games.pdfIn PDF document text
- https://cdn.sqhk.co/dodanadofu/az4hhjL/my_success_story_business_game_hack_apk.pdfIn PDF document text
- https://cdn.sqhk.co/valujoper/anQTE1t/rizakagumawajano.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://najaxobefirag.epizy.com/aaa_logo_with_crack_free.pdfIn PDF document text
- http://rumasujosunux.epizy.com/kuzevejanodeguxerenez.pdfIn PDF document text
- https://85ed388a-52e0-4e79-9737-9d4b769dda71.filesusr.com/ugd/bb10c5_7f8754cc920247b89f2c8be3a0ad5cd0.pdf?index=trueIn PDF document text
- https://a804c8a8-fdf7-4fba-b19b-c23aecc29597.filesusr.com/ugd/a7074a_cd76affc288d493e88e31b1e9540d270.pdf?index=trueIn PDF document text
- http://jipokogave.epizy.com/tafetegegulolifixevifiri.pdfIn PDF document text
- https://ced6af22-cf5f-4df0-9cd6-2d424634d287.filesusr.com/ugd/3eed2b_ba7101f6766f4cc38980a4da81b95951.pdf?index=trueIn PDF document text
- https://14da0a27-f261-4d4b-8668-3a369f5c966d.filesusr.com/ugd/46429b_e59005d3b28744f1b0eebea569a79b95.pdf?index=trueIn PDF document text
- https://c03439ef-6557-4199-865e-586791a52b6c.filesusr.com/ugd/6bb4a2_92dfd76c3c9a4e84a2d745096a422612.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7E5 | 5436 bytes |
SHA-256: 51cc03aedb78ac29904011b4a93ef52a9421ba60ec8055f6fa0a8bcf2dc49cce |
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font_01_sfnt_off0000fa52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA52 | 11428 bytes |
SHA-256: 96dfddce7755fc981682c0d85ea8064a0f73c3e730fad1ea254690d7ee5055d5 |
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font_02_sfnt_off000121b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121B2 | 16116 bytes |
SHA-256: af71224fa4c0ab8a4959ed0ad3af7c1f81652a6f4c5851925e1d5b19c3ce931a |
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