MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector pointing to 'ttraff.com'. Another critical heuristic indicates a PDF link farm, with one of the first URLs being 'cdn.shopify.com/s/files/1/0433/8538/9206/files/xetuvikidufosaluruja.pdf'. The ML classifier also flagged this PDF as malicious with high confidence. The document body, though heavily obfuscated, contains text related to 'solving multi step inequalities worksheet answer key', suggesting a lure to disguise the malicious intent.
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=solving+multi+step+inequalities+worksheet+answer+key
- http://files.athleathan.com/uploads/1/3/1/3/131381640/merokulu-kerojijaduw-ruwifuxetaxeda.pdf
- http://files.thebucolicyogi.com/uploads/1/3/0/7/130776204/1607788.pdf
- http://files.henricobar.org/uploads/1/3/1/3/131381422/wodutifu.pdf
- https://cdn.shop
- https://cdn.shopify.com/s/files/1/0433/8538/9206/files/xetuvikidufosaluruja.pdf
- https://cdn.shopify.com/s/files/1/0432/4923/8178/files/84181026526.pdf
- https://cdn.shopify.com/s/files/1/0431/0558/3266/files/dimefawivenolofukagep.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5469/files/48926163684.pdf
- https://cdn.shopify.com/s/files/1/0432/7538/7043/files/12427649623.pdf
- https://cdn.shopify.com/s/files/1/0431/6702/3259/files/pogarojanuruzameguzogipa.pdf
- https://cdn.shopify.com/s/files/1/0431/8799/4792/files/kosekizoxudizena.pdf
- https://cdn.shopify.com/s/files/1/0427/6341/9814/files/3177492625.pdf
- https://cdn.shopify.com/s/files/1/0435/6761/2063/files/30247422421.pdf
- https://cdn.shopify.com/s/files/1/0438/3080/4637/files/xelonunepifo.pdf
- https://cdn.shopify.com/s/files/1/0428/5631/7091/files/64031932375.pdf
- https://cdn.shopify.com/s/files/1/0427/4877/2519/files/59679811787.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_off00005da9.bin6ee6791f17588a012ec03ba23ccc7c8ea1405412c0588c25f2a6d1bcd1e8d259 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DA9 | 5664 bytes |
font_01_sfnt_off000070d4.bin8f00677d5c203efc3c2941f257abebc7833d37917c933b494e24344a0cee5fb1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70D4 | 9088 bytes |
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