MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains numerous external links, including one to 'jottigo.ru', suggesting a link farm or redirection mechanism. The heuristic 'SE_LOLBIN_RUN_COMMAND' firing, along with the presence of external URIs, indicates the document is likely designed to download and execute a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://jottigo.ru/123?utm_term=tektronix+465b+oscilloscope+service+manual PDF link annotation
- https://cdn-cms.f-static.net/uploads/4445733/normal_6056f985c518e.pdfIn PDF document text
- https://cdn.sqhk.co/rifokinimito/XjbHjVH/5564090643.pdfIn PDF document text
- https://nudabixe.weebly.com/uploads/1/3/4/5/134505388/kutekiger.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411681/normal_6003aa459c7d3.pdfIn PDF document text
- https://ganusanawopat.weebly.com/uploads/1/3/4/4/134488834/potazeta-jivoxebawebu-xuwelonuxa.pdfIn PDF document text
- https://cdn.sqhk.co/rogudokives/7Ghbha6/xaxazufumolilukonapati.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469370/normal_603dc7ca950fa.pdfIn PDF document text
- https://cdn.sqhk.co/pabelewexo/brhehbV/five_below_bugha_prices.pdfIn PDF document text
- https://nometiru.weebly.com/uploads/1/3/4/3/134379396/jalata-gebiva-rusirepakosonup-fusaxurigefibom.pdfIn PDF document text
- https://toxupuxuforiri.weebly.com/uploads/1/3/5/9/135966975/kizazofaxemow.pdfIn PDF document text
- https://jottigo.rPDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a6132035-7465-4fe4-be4e-2faa96c22dab.filesusr.com/ugd/cf950b_d14d3f4aa12c40098d4f1db365a17964.pdf?index=trueIn PDF document text
- https://dedb376b-efc3-4528-ac10-fc65d12f866c.filesusr.com/ugd/5f6074_a4a7161657674d8183b45f14824a2190.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tutasujal/social_media_jobs_london_charity.pdfIn PDF document text
- https://684917c6-b594-4497-9ea4-141105166a5b.filesusr.com/ugd/0dc9f5_a042ec081779424c8bca3bb4f9bec8f9.pdf?index=trueIn PDF document text
- https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_83ea4cfa693647eb95e2805133dee3ea.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lixuzo/human_touch_rick_springfield.pdfIn PDF document text
- https://s3.amazonaws.com/zuwimadaneb/41921304390.pdfIn PDF document text
- https://s3.amazonaws.com/sowewazulejewi/facebook_lite_for_pc_free.pdfIn PDF document text
- https://s3.amazonaws.com/werowibovezoje/redagek.pdfIn PDF document text
- https://ff4d9611-e7ea-45f2-85d3-f0b464ef817f.filesusr.com/ugd/48f461_931457aeecb5436eb6139d5165fa1d72.pdf?index=trueIn PDF document text
- https://8d94caac-80d5-4f6d-a73a-04ed47837dc1.filesusr.com/ugd/585b1d_fd3a5967d20341878cbc2a4755815812.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_off0000d366.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD366 | 5728 bytes |
SHA-256: 3e87fd61c1cdeecff3e6e812b4787850be9f23044fc8081e09c03f816b9a2125 |
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font_01_sfnt_off0000e6db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DB | 10536 bytes |
SHA-256: 9ae182b29bf0014d10990af5ab01dfe804ed69ca8091966effbd2633fdb4c23e |
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