MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristic firings point to the document acting as a link farm, with numerous embedded URLs directing to potentially harmful content. The presence of `utm_term=access+phone+storage+over+wifi` in one URL suggests a phishing lure related to device access. No scripts were extracted, but the structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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 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://krisoc.ru/uplcv?utm_term=access+phone+storage+over+wifi PDF link annotation
- https://bisleriwheel.genefied.co/ckfinder/userfiles/files/xanurifeseloxu.pdfIn PDF document text
- https://ncvpte.in/userfiles/file/kulerekevozux.pdfIn PDF document text
- https://emenu.hu/editor_up/32316756184.pdfIn PDF document text
- https://fetogram.com/images/upload/files/65219233004.pdfIn PDF document text
- http://art-lan.ru/uploads/assets/file/17449244417.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613124293f61e---fidofowevupugixem.pdfIn PDF document text
- https://maritime-models.com/userfiles/file/84595000261.pdfIn PDF document text
- http://auto-spec.ca/fck/file/95692956015.pdfIn PDF document text
- http://fantasymusic.it/userfiles/files/terewufapipuxow.pdfIn PDF document text
- http://openendrep.com/userfiles/files/14475946448.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/tezozazixijedajefaj.pdfIn PDF document text
- http://bindashnews.com/userfiles/file/dotifomokubezudugut.pdfIn PDF document text
- http://bjqyms.com/filespath/files/20210905172424.pdfIn PDF document text
- https://mk-promotions.com/ckfinder/userfiles/files/piwefopedu.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/c837cd12aeb396867a450c3db97c786a/12959013508.pdfIn PDF document text
- http://sushinamu.com/uploads/files/54306080140.pdfIn PDF document text
- http://rosesrealtyhomes.com/userfiles/files/55276354206.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/75293994341.pdfIn PDF document text
- http://spartaksedlec.cz/spartaksedlec/userfiles/file/sojax.pdfIn PDF document text
- https://ms2gacor.com/contents/files/risiniwevakasirereko.pdfIn PDF document text
- http://hzeiger.com/userfiles/file/wizapoda.pdfIn PDF document text
- https://sunrise-photon.com/upfiles/editor/files/69941957934.pdfIn PDF document text
- http://sun-green.nl/ckfinder/userfiles/files/19214649912.pdfIn PDF document text
- http://printrun.nl/userfiles/files/85589951949.pdfIn PDF document text
- http://davidhammerstein.org/userfiles/file/vobisedu.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://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_off0000f0d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D3 | 10848 bytes |
SHA-256: b06dc342b796418c6f58031b03f2a0b9b633cf1f3a8c899a087f63621dc011c1 |
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font_01_sfnt_off000109ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109ED | 16912 bytes |
SHA-256: 9d81e327557565c2d57c4f2ff6a895bb2c9297cadb41cbe97ee2dd615ea359b2 |
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font_02_sfnt_off000135ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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