MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to 'Spanish 1 midterm review answers' and includes the malicious URL, suggesting a lure to trick users into visiting a potentially harmful site. 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.ru/pify?keyword=spanish+1+midterm+review+answers
- http://newijese.chappaquaptastem.com/uploads/1/3/1/6/131606490/5857591.pdf
- http://sebopenat.omninsw.waggamatters.com/uploads/1/3/1/8/131857120/zejenosatiza.pdf
- http://fodexa.perchancetheatre.com/uploads/1/3/1/3/131384600/a803713e2fb1d8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/8693/7253/files/30170070735.pdf
- https://cdn.shopify.com/s/files/1/0432/5369/4626/files/wajitazopovomaxutosovo.pdf
- https://cdn.shopify.com/s/files/1/0434/3591/7473/files/como_construir_techos_verdes.pdf
- https://cdn.shopify.com/s/files/1/0433/5733/9816/files/26124325558.pdf
- https://cdn.shopify.com/s/files/1/0437/9423/5553/files/what_is_an_electric_motor.pdf
- https://cdn.shopify.com/s/files/1/0440/0028/0726/files/appetizers_cookbook.pdf
- https://cdn.shopify.com/s/files/1/0440/9065/4885/files/ganexin.pdf
- https://cdn.shopify.com/s/files/1/0428/0025/1036/files/zumoba.pdf
- https://cdn.shopify.com/s/files/1/0429/8991/2218/files/boresejerug.pdf
- https://cdn.shopify.com/s/files/1/0431/2537/5130/files/pig_enter_the_gungeon.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8865/files/jetovokulesiso.pdf
- https://cdn.shopify.com/s/files/1/0435/7668/8799/files/7394756452.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006699.bin7ae8d33f2e2b8588bcd11fb816dce5da46f49644e50ec849cdee789c439c1f41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6699 | 5476 bytes |
font_01_sfnt_off0000791b.bin1910029d69324ad71cb2b786f43b405116b1ed35979bb5c4a4f7e44ebdbae283 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x791B | 10456 bytes |
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