MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/strik?utm_term=how+much+is+procreate+app+for+ipad PDF link annotation
- https://cdn.sqhk.co/kaxejelun/idjbig1/snes_controller_to_wii_gamecube_cable.pdfIn PDF document text
- https://cdn.sqhk.co/farukisinu/jbQwhh1/42779098507.pdfIn PDF document text
- https://cdn.sqhk.co/xijogedobu/glifOBR/act_mode_navy_field_152_type15_ver2.pdfIn PDF document text
- https://cdn.sqhk.co/damapegapi/ickTige/iron_stickman_rope_hero_fighting_gangster_crime_apk.pdfIn PDF document text
- https://cdn.sqhk.co/juzurupivepo/Jy4hhgd/okay_alright_meaning.pdfIn PDF document text
- https://cdn.sqhk.co/bowewulaxam/fqCagij/nusazusotototanufuveti.pdfIn PDF document text
- http://dujojiwasemob.mywebcommunity.org/kindergarten_grade_math_worksheets.pdfIn PDF document text
- http://kiwenalod.medianewsonline.com/percy_jackson_the_lightning_thief_book_chapter_20.pdfIn PDF document text
- https://cdn.sqhk.co/xonarewu/hivhjji/lrtemplate_to_dng_mobile.pdfIn PDF document text
- https://cdn.sqhk.co/daladovum/hc94haL/dragon_mania_legends_breeding_warlock_dragon.pdfIn PDF document text
- http://wogivodugakovek.mygamesonline.org/52002066482.pdfIn PDF document text
- http://zereteleriw.getenjoyment.net/75376883887.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nanaxidimidi.atwebpages.com/hp_photosmart_7520_ink_cartridges_best_buy.pdfIn PDF document text
- https://s3.amazonaws.com/sitozi/lenopavixiwodogufitulif.pdfIn PDF document text
- https://71a0d42b-91d5-4e94-9338-ff69ca8a624b.filesusr.com/ugd/e5d5e5_163b005596e741538b823a5aa4e325f2.pdf?index=trueIn PDF document text
- http://kosezofejesuxef.atwebpages.com/pojokel.pdfIn PDF document text
- https://e082b6be-64c0-45f6-a8ff-82b9c6f476f0.filesusr.com/ugd/1479de_e847cfc1ca0a478c8c44f2c858f468b4.pdf?index=trueIn PDF document text
- http://vilatelisoto.onlinewebshop.net/diccionario_strong_espanol_online.pdfIn PDF document text
- https://8ed6bd9f-de2b-4923-b7df-82f95eb18a03.filesusr.com/ugd/7fa32f_65ca6d5b34004acfaea526fb4a363bbe.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nagev/full_block_format_cover_letter.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_off0000f0f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F3 | 5416 bytes |
SHA-256: 50e27e421080acf766bd18681eddf07e5a537dd62320a61dd5098666d117e381 |
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font_01_sfnt_off00010343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10343 | 10816 bytes |
SHA-256: 1b26d877dff18581ab183bb2ab8bcd14c8418a1d10baadc36c7c952885c52770 |
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