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-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 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://xajibur.ru/strik?utm_term=what+is+the+goal+of+a+real+estate+agent PDF link annotation
- https://xuvakaxatal.weebly.com/uploads/1/3/1/0/131070170/47def98.pdfIn PDF document text
- https://jejaxeka.weebly.com/uploads/1/3/0/7/130739175/lotodufa.pdfIn PDF document text
- https://wiwazojuxosupud.weebly.com/uploads/1/3/1/3/131379189/48dc60c851ce851.pdfIn PDF document text
- https://vinunawamezod.weebly.com/uploads/1/3/1/3/131380031/5973716.pdfIn PDF document text
- http://draiwenstore.online/little_wing_chords_eric_clapton1m714.pdfIn PDF document text
- http://about-central.com/75313527200lulb7.pdfIn PDF document text
- https://lokesikaneweb.weebly.com/uploads/1/3/1/4/131437695/1588670.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9c43cb74-45e3-47de-9527-fda2e8336169.filesusr.com/ugd/af0aa9_315c5f8af3444910889d5edbae32a8f2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zepifudoxapo/vebuderezuju.pdfIn PDF document text
- https://7ef5d8b8-74ac-4e0a-b0a0-fa61ca6462a8.filesusr.com/ugd/23e9be_372c4da8a7124aae8db48e76941ca7b6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rubidokezive/install_android_studio_linux_mint_18._3.pdfIn PDF document text
- https://0503187d-52cd-4237-9521-a3cb9bf551ae.filesusr.com/ugd/5bb01c_ab213871204f4b5c930b3b9c4c83ed21.pdf?index=trueIn PDF document text
- https://82f7a8bd-e2a3-46ec-bdf8-dd4727f017fb.filesusr.com/ugd/a90de3_a8643c914ab9446a9ae2cbf2c0da11db.pdf?index=trueIn PDF document text
- https://a62e46b8-d933-4087-892c-e5439cec6991.filesusr.com/ugd/e9cba9_b9b9f5f3aef346038885a6d0cfd12886.pdf?index=trueIn PDF document text
- https://e0220c8c-c322-4c33-af83-7c5b0fe00b66.filesusr.com/ugd/a771bd_ac3b25fcd33945bc99f72e65aec933e2.pdf?index=trueIn PDF document text
- https://f61a8d15-835b-4c36-a3db-e4ead73ab13f.filesusr.com/ugd/e9f5f3_52cc240c9f1d45f3a6843b5a712ee80a.pdf?index=trueIn PDF document text
- https://153f2bed-3501-4ec5-9468-ed1987511f6d.filesusr.com/ugd/f67134_547cb3f24da74928bf29cfdbfa17ced2.pdf?index=trueIn PDF document text
- https://e5720c39-3c1c-4a52-9be9-509675281b5a.filesusr.com/ugd/0010c8_c2cc0592016a4f29bce787b0bf467536.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/palevijuj/comptia_security_syo-_501_study_guide.pdfIn PDF document text
- https://676a7a22-5bec-432e-92e0-9d4a0a27851c.filesusr.com/ugd/a1fb72_82f50a2945854a7d92c7e6e9b5f2b6c0.pdf?index=trueIn PDF document text
- https://684917c6-b594-4497-9ea4-141105166a5b.filesusr.com/ugd/0dc9f5_4207def816f34a97a81964578224c292.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCC | 5040 bytes |
SHA-256: 854933dff5ac2d793cba59518b3e4d218652498a53eac9125eb99f26e456c9cc |
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font_01_sfnt_off000100fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100FC | 10808 bytes |
SHA-256: 699789a1df23da1bee5d6e0078c987ed9fe394bb899fc38df604a709c71a4c3d |
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