MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which, 'https://ttraff.com/wb?keyword=list%20of%20psychological%20tests%20and%20measurements%20pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL. The presence of numerous external PDF links, including one hosted on cdn.shopify.com, suggests a link farm or SEO poisoning tactic to distribute the malicious content.
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.com/wb?keyword=list%20of%20psychological%20tests%20and%20measurements%20pdf
- http://files.orderhollywoods.com/uploads/1/3/1/4/131438211/16afd752ad274.pdf
- http://files.prohuman.co/uploads/1/3/0/8/130814081/xotowo_ripikekun_lupazoxototaf_deneboke.pdf
- http://files.sproutsmyanmar.com/uploads/1/3/0/7/130776485/pofixuzajezeto.pdf
- https://cdn.shopify.com/s/files/1/0429/6772/8279/files/gazifunuraxozujukadanejiz.pdf
- https://cdn.shopify.com/s/files/1/0431/0987/5873/files/52123261023.pdf
- https://cdn.shopify.com/s/files/1/0432/7243/7913/files/lopabejajatenozid.pdf
- https://cdn.shopify.com/s/files/1/0437/4665/6408/files/back_to_school_activities_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/44624917609.pdf
- https://cdn.shopify.com/s/files/1/0431/3514/0007/files/ruvogetisidigi.pdf
- https://cdn.shopify.com/s/files/1/0429/1490/6275/files/bider.pdf
- https://cdn.shopify.com/s/files/1/0437/1975/3879/files/crioterapia_cervical.pdf
- https://cdn.shopify.com/s/files/1/0434/5580/7654/files/30998794874.pdf
- https://cdn.shopify.com/s/files/1/0448/1217/3463/files/26720218418.pdf
- https://cdn.shopify.com/s/files/1/0435/5797/8273/files/nibafeje.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_off000091c4.binfa8cbe49f72a44eda0a7395ed9b397b3d2d65deaf47f4871dea93f89a72c3d13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91C4 | 5612 bytes |
font_01_sfnt_off0000a4b5.binf0a4e0e829665f8efd77070cf41774fe2ae8ef486674b74c15a1ef10f12726a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4B5 | 10176 bytes |
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