MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to suspicious domains and are part of a link farm designed for SEO manipulation. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though obfuscated, contains text related to 'types of projective test pdf' and a URL that appears to be the initial lure. The primary attack pattern involves redirecting the user to malicious sites through these links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.cc/wb?keyword=types%20of%20projective%20test%20pdf
- http://files.jeffcofiretraining.org/uploads/1/3/2/6/132681409/4110604.pdf
- http://files.seetheworld.tours/uploads/1/3/2/8/132815961/bawifutopite.pdf
- http://files.kimkirch.com/uploads/1/3/0/7/130775827/welobozutudirol-fulunim.pdf
- http://files.isoandbusinessexpert.com/uploads/1/3/0/8/130813797/noxodak.pdf
- http://files.paiboon.biz/uploads/1/3/1/4/131406762/1208977.pdf
- http://files.maxperformancefitness.com/uploads/1/3/1/0/131070527/komokimil.pdf
- http://files.eguastella.com/uploads/1/3/1/8/131871690/4656610.pdf
- http://files.seameocelll.org/uploads/1/3/1/3/131398066/caaf936b6e.pdf
- https://jinogajun.files.wordpress.com/2020/06/denum.pdf
- https://pimudan.files.wordpress.com/2020/07/tusemimoxizofojala.pdf
- https://rojevaliri.files.wordpress.com/2020/06/davuvepalotebeb.pdf
- https://suvumeg.files.wordpress.com/2020/06/86705134965.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/siwizobudavegi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96226605796.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ropuxikasafomudixaxo.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008013.bincfbd2cf6295a9fe120420a35c9b7085d96df43268863999cc20423b0f066a748 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8013 | 4776 bytes |
font_01_sfnt_off00009080.bin735c991d15beb321a3481a1759a4e1af2606e65af5dd660625b72208ed72655e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9080 | 9828 bytes |
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