MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URLs, with one heuristic specifically noting a 'mass external PDF link farm'. The presence of the 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests that the document may be used to instruct users to decrypt a password-protected archive, a common tactic to bypass security scanners. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://philabc.ru/pbw?utm_term=ppsspp+naruto+ninja+storm+3
- https://cdn-cms.f-static.net/uploads/4368735/normal_6037bd3965b07.pdf
- https://jarubobukifali.weebly.com/uploads/1/3/5/2/135297267/6582368.pdf
- https://static.s123-cdn-static-d.com/uploads/4368756/normal_60b6edae95429.pdf
- https://wozuxepu.weebly.com/uploads/1/3/4/4/134478893/dafiboli.pdf
- https://cdn-cms.f-static.net/uploads/4386081/normal_605a2453eff89.pdf
- https://static.s123-cdn-static.com/uploads/4459323/normal_5fd06d68dc530.pdf
- https://palekanino.weebly.com/uploads/1/3/4/3/134372766/242db3ad.pdf
- https://nawawuxilebop.weebly.com/uploads/1/3/4/6/134679594/xoduwutogusetudeko.pdf
- https://fuzakeraza.weebly.com/uploads/1/3/4/8/134848422/5303788.pdf
- https://cdn-cms.f-static.net/uploads/4446029/normal_6032262fd0aeb.pdf
- https://mavulirapiba.weebly.com/uploads/1/3/4/7/134741644/7611290.pdf
- https://nitonigizumori.weebly.com/uploads/1/3/0/7/130739712/7532527.pdf
- https://zotexujefu.weebly.com/uploads/1/3/4/3/134322023/wodenivamimukofe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://lexibitite.pbworks.com/w/file/fetch/144536583/saunders_comprehensive_review_for_the_nclex-rn_examination_8th_edition_test_bank.pdf
- https://uploads.strikinglycdn.com/files/2af37580-f6f8-42d3-b268-59482d04d60c/xuvatalanakubefop.pdf
- https://uploads.strikinglycdn.com/files/30a194c5-3650-4c89-9795-d8304413afb4/crank_ellen_hopkins_summary.pdf
- https://uploads.strikinglycdn.com/files/8eebf290-7629-418e-a067-a29ba02368b9/what_affects_density_of_seawater_the_greatest.pdf
- https://uploads.strikinglycdn.com/files/a313df2d-c28c-4754-b489-7c287dc299d6/16981631084.pdf
- http://lebinowurut.pbworks.com/f/9568943412.pdf
- http://wenitudodub.pbworks.com/w/file/fetch/144626664/how_to_add_a_device_on_xfinity.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1e9.binf9653d5876afb8ccd26ddb4fb45b623260af69f83baef49adf36f44c537eb0cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E9 | 2928 bytes |
font_01_sfnt_off0000ec64.bine0faf61e504a8bac7584a4dd8057f2db32e6c5e3a5c61872ccbc949d37fc6edc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC64 | 5172 bytes |
font_02_sfnt_off0000fdeb.bin715aaf4b91501bdc72fff2c519abecbfd2e52d2d87421e37695cc40b8d768fde |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDEB | 11752 bytes |
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