MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which point to PDF files with numeric slugs, indicating a link farm for SEO manipulation. One of the embedded URLs, http://magentavi.com/uploads/1/3/0/7/130774973/130774973.html#electric+circuits+nilsson+riedel+solution+manual, is presented as a solution manual, likely a lure to encourage clicks. The heuristic 'PDF_SEO_LINK_FARM' strongly suggests a malicious intent to drive traffic to potentially compromised or malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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 http://magentavi.com/uploads/1/3/0/7/130774973/130774973.html#electric+circuits+nilsson+riedel+solution+manual PDF link annotation
- http://winczok.com/uploads/1/3/0/8/130873828/7445658.pdfIn PDF document text
- http://pamaulakh.com/uploads/1/3/0/2/130289603/lowifa_ranutovekaruw_jiwufataliz_vexanivatumopo.pdfIn PDF document text
- http://cdn-7.fuzzfaced.net/uploads/1/3/1/3/131380756/d92f47b.pdfIn PDF document text
- http://mail.sebolt.com/uploads/1/3/0/2/130288394/3555908.pdfIn PDF document text
- http://fit-4-me.com/uploads/1/3/0/8/130813417/6592972.pdfIn PDF document text
- http://goldenmtnguides.com/uploads/1/3/0/2/130270781/37ab60b9.pdfIn PDF document text
- http://tomboyoriginal.com/uploads/1/3/1/3/131380730/5b185.pdfIn PDF document text
- http://southernsadie.net/uploads/1/3/0/5/130550796/298015.pdfIn PDF document text
- http://kaiser-roll-studio.com/uploads/1/3/0/6/130605472/kexebumupipixo_genakejuti_ganafavoxu_jagupabinebela.pdfIn PDF document text
- http://vcpweddings.com/uploads/1/3/2/6/132682107/2038169.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000976f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x976F | 4924 bytes |
SHA-256: 3b6a5f5897436d7a0dc708a36aca5a5c7594d54c5816a61bdf39bf0edc204741 |
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font_01_sfnt_off0000a807.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA807 | 10252 bytes |
SHA-256: 2735d45d3c50ca390bb20a1f5ed61f6f3ef2943e1313305a806c23ec79ecf6fe |
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