MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is presented within the document body, disguised as a link to a worksheet PDF. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to lure users to malicious content. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=simplifying+algebraic+fractions+worksheet+pdf
- http://files.harvardseducation.com.au/uploads/1/3/1/3/131379099/3910949.pdf
- http://files.erinmerrill.studio/uploads/1/3/1/3/131383514/89887.pdf
- http://files.libertyeliasmiller.com/uploads/1/3/0/9/130968906/8486156.pdf
- http://files.artisanbuiltins.com/uploads/1/3/1/6/131606345/lalazafonovukadej.pdf
- http://files.harvardseducatio
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30553092986.pdf
- https://cdn.shopify.com/s/files/1/0428/2771/0630/files/learn_palmistry_in_bengali.pdf
- https://cdn.shopify.com/s/files/1/0432/7692/7141/files/dojiludego.pdf
- https://cdn.shopify.com/s/files/1/0431/7442/8829/files/29545436302.pdf
- https://cdn.shopify.com/s/files/1/0435/5594/6647/files/dr_cindy_trimm_prayer.pdf
- https://cdn.shopify.com/s/files/1/0429/4826/4089/files/67061566624.pdf
- https://cdn.shopify.com/s/files/1/0432/3698/2944/files/58689386794.pdf
- https://cdn.shopify.com/s/files/1/0430/6622/8898/files/mariloruzonivoz.pdf
- https://cdn.shopify.com/s/files/1/0428/8564/4454/files/wuwadugo.pdf
- https://cdn.shopify.com/s/files/1/0435/4460/8932/files/14914826964.pdf
- https://cdn.shopify.com/s/files/1/0432/7194/6398/files/nefiwu.pdf
- https://cdn.shopify.com/s/files/1/0428/5700/5215/files/2193936013.pdf
- https://cdn.shopify.com/s/files/1/0430/0891/7657/files/38157486719.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_off0000854b.bin29dd093ca43e53f97a74dfd5828c5329d4633f8416bbc2c2ec2feb0adef5686a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x854B | 6068 bytes |
font_01_sfnt_off000099de.binf374af5944b86e6c2db3ac57cc24462105e8fae73107cc8bece1ad173cc34553 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99DE | 14096 bytes |
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