MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, identified as a link farm. One critical heuristic indicates a redirector link to a known malicious domain, and another points to a large number of external PDF links, suggesting SEO poisoning or a similar lure. The document body contains obfuscated text and numerous URLs, reinforcing the malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://ttraff.com/wb?keyword=nmc%20code%202015%20pdf In PDF document text
- http://files.rickrebelsrock.com/uploads/1/3/2/6/132695839/8171851.pdfIn PDF document text
- http://files.delbertsonrealty.com/uploads/1/3/0/7/130776370/pitiw_zujutumokofu.pdfIn PDF document text
- http://files.philprobstcyclist.com/uploads/1/3/0/9/130969404/nudaxox.pdfIn PDF document text
- http://files.mylunarsign.com/uploads/1/3/1/8/131857482/6fcae3.pdfIn PDF document text
- http://files.parksideict.com/uploads/1/3/2/8/132815172/pulekutozoper.pdfIn PDF document text
- http://files.katascuba.com/uploads/1/3/1/4/131483253/5349126.pdfIn PDF document text
- http://files.raphastar.com/uploads/1/3/1/6/131606720/momuramegu-zafapevunovudu.pdfIn PDF document text
- http://files.rosesrntred.com/uploads/1/3/1/1/131164351/bobokadipuz_lebopogexugufor.pdfIn PDF document text
- http://files.commentingtogether.com/uploads/1/3/1/8/131871778/duzijonuv.pdfIn PDF document text
- http://files.westphaliarowhoa.com/uploads/1/3/1/6/131606762/3514558.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://jejukogizuf.files.wordpress.com/2020/07/78627594448.pdfIn PDF document text
- https://gorowedezer.files.wordpress.com/2020/06/89356626276.pdfIn PDF document text
- https://gimanuzil.files.wordpress.com/2020/06/57280460673.pdfIn PDF document text
- https://zavigezanu.files.wordpress.com/2020/06/25827532790.pdfIn PDF document text
- https://sowirule.files.wordpress.com/2020/07/deroxenibugolawoxiruvusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gefoviliruvowej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sazofafusogowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vasopamomakazemujavinis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gegexovikorojirokelaxedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12729031526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53940500656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81159011373.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_off00005946.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5946 | 4760 bytes |
SHA-256: 0247b6cf9141942ccd5accab5b19478fc12d49363a3be739cfb74514d73ef641 |
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font_01_sfnt_off0000697d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x697D | 10288 bytes |
SHA-256: d5154acd7f7c7c68f62d0c0f41c909045597fd06926b92b10a47de088d6e0798 |
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