MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, with at least one identified as a malicious redirector. The document body, though heavily obfuscated, appears to reference software downloads, suggesting a lure for phishing or malware distribution. The presence of a malicious redirector and a high ML classifier score strongly indicate malicious intent.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINKPDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
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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://traffking.ru/aws?utm_term=cdburnerxp++windows+10+64+bit In PDF document text
- https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/12484.pdfIn PDF document text
- https://pawunotapi.weebly.com/uploads/1/3/1/4/131408062/kabisabi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495043/normal_5fd79fba9d581.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369168/normal_5f9e59c09837b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423195/normal_5f99db8395f90.pdfIn PDF document text
- https://vosovijuz.weebly.com/uploads/1/3/0/8/130813614/9961796.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500893/normal_5fdc02f180695.pdfIn PDF document text
- https://jotulamopusojo.weebly.com/uploads/1/3/4/4/134465369/bezunuli-miravas.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/pazifetanegapu/artaud_poesie.pdfIn PDF document text
- https://s3.amazonaws.com/xakapudakadu/succession_planning_presentation_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ddfcb7bf-16a4-4686-9479-0afe5f7834c5/lavabitolomir.pdfIn PDF document text
- https://s3.amazonaws.com/bokelur/lumanadal.pdfIn PDF document text
- https://s3.amazonaws.com/wibedubosateg/zibopatajixamatir.pdfIn PDF document text
- https://s3.amazonaws.com/wovisak/44999378843.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://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_off0000dec9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEC9 | 5352 bytes |
SHA-256: 2cab49b6afb60e8139e8fab74e3b22458b192e11d6f4a60e973aa2895a84ad9a |
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font_01_sfnt_off0000f122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF122 | 10904 bytes |
SHA-256: 2a9ce23a0e47766a25cf53a30e28c8a5d528eaa2ff69c11d00a496392c1ca8f3 |
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