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 0.9998
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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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://pelibifir.ru/strik?utm_term=how+to+use+the+color+wheel+in+photoshop PDF link annotation
- http://majugulowoju.22web.org/blood_anticoagulant.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498678/normal_604153d767440.pdfIn PDF document text
- https://vewawunazesova.weebly.com/uploads/1/3/5/3/135314918/767905fb688fd1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421637/normal_5feddc58cd752.pdfIn PDF document text
- http://armlur.space/14142472000cpb3a.pdfIn PDF document text
- https://mapijilut.weebly.com/uploads/1/3/0/8/130873952/samugi-dunamewib-rudak-zageseku.pdfIn PDF document text
- http://1s.london/pofavinefebukusogutopuz4sk2.pdfIn PDF document text
- https://zegokovoni.weebly.com/uploads/1/3/4/3/134323662/4718119.pdfIn PDF document text
- https://mijujatojiso.weebly.com/uploads/1/3/4/7/134701577/fagixabu.pdfIn PDF document text
- https://gifiboluf.weebly.com/uploads/1/3/2/6/132681188/1eae572a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://21d44941-995c-48b9-956b-8145330e20d5.filesusr.com/ugd/577b75_620b7db4f9b04ff3bc7c870e3ff791b8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gazivemon/91479566611.pdfIn PDF document text
- https://s3.amazonaws.com/bulalowisu/zerisopowabebajeg.pdfIn PDF document text
- https://s3.amazonaws.com/vibasujefir/rebokerebuwar.pdfIn PDF document text
- http://tuxavilewik.rf.gd/how_much_oil_does_a_bobcat_s650_take.pdfIn PDF document text
- http://jimagonekitop.epizy.com/rowusajadilopasig.pdfIn PDF document text
- https://82a15d5c-09b3-4b2c-b6d5-cdf01964cb25.filesusr.com/ugd/5adcb9_e746ecd20ab340cc9f1b5ef44a37fbcc.pdf?index=trueIn PDF document text
- http://zemuzokaba.epizy.com/8283490597.pdfIn PDF document text
- https://101c3d73-5e22-4da1-a203-a3a2a794ce88.filesusr.com/ugd/69a512_6e513595c7e642b188b935010a7823be.pdf?index=trueIn PDF document text
- https://081e7fb2-604d-424b-9b75-a58d54a71a44.filesusr.com/ugd/abd6ea_5819df2efda64035a5987fa26e267669.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_off0000e867.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE867 | 4864 bytes |
SHA-256: 038bef43141cc7f412a4ba2ec10dbd123f58b766249b852934f7b153cd496b8c |
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font_01_sfnt_off0000f900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF900 | 10652 bytes |
SHA-256: 47c27245b5c3d7900636e0284dd7dbe5626ce7a4dbf013c266730ebb5ebd01e3 |
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