MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links designed to create a link farm, directing users to download other PDFs. One critical heuristic identified a link to known malicious redirector infrastructure, suggesting a phishing or malware distribution attempt. The document body, though partially garbled, contains keywords like 'free download' and the malicious redirector URL, reinforcing the lure.
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=orthodontics%20pdf%20free%20download
- http://files.myececlass-observe.com/uploads/1/3/0/7/130775654/1407538.pdf
- http://files.breastcancerstartupchallenge.com/uploads/1/3/1/1/131163516/9f74ec2a364c.pdf
- http://files.moesplace.us/uploads/1/3/1/4/131438234/d4dc9ca.pdf
- http://files.thewaveindustries.com/uploads/1/3/1/4/131413837/a1b902b2.pdf
- http://files.texashollandlops.com/uploads/1/3/1/3/131379371/7953459.pdf
- http://files.amandabeekhuizen.com/uploads/1/3/1/4/131412858/f1437f969.pdf
- http://files.rhondastruminger.net/uploads/1/3/1/0/131071076/1562942.pdf
- http://files.rockvillehelp.org/uploads/1/3/0/7/130775619/vizisiwigifukis.pdf
- http://files.raquelmeraki.com/uploads/1/3/2/7/132740860/3354846.pdf
- https://rotoxepodib.files.wordpress.com/2020/06/gazugegovof.pdf
- https://valoranas.files.wordpress.com/2020/06/vazora.pdf
- https://nikiruweti.files.wordpress.com/2020/07/gotexemigazikafezam.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29121996303.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66083684812.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/meragavafeduxilaxopuxaw.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13170590630.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_off00006a6b.bin20ef507196c4f62e2454c8ec88f507754b53f93bf927b6bce695e8f56b02e7dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A6B | 5152 bytes |
font_01_sfnt_off00007bf7.bin0d7f8a4bdd94b18bcbf7bae8521283e9e4aab74bed8f79994e6d8ef907520975 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BF7 | 10504 bytes |
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