MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains text and embedded URLs, including a primary malicious redirector URL. The presence of numerous links to external PDFs, many hosted on Shopify, suggests an attempt to obscure the final malicious destination.
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=the+enormous+crocodile+story+book+pdf
- http://files.bostonareamaskinitiative.com/uploads/1/3/1/4/131437941/36468593beb3f56.pdf
- http://files.okstatecrew.org/uploads/1/3/2/6/132683000/8795943.pdf
- http://files.downrivermortgageone.com/uploads/1/3/2/6/132695829/dixuvawumorukef_mutibimodo_mujezodomuxu_sarakadese.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kesazemoluvumexon.pdf
- https://cdn.shopify.com/s/files/1/0434/3011/7542/files/albert_camus_libros_gratis.pdf
- https://cdn.shopify.com/s/files/1/0437/2201/4870/files/limitations_of_beer_lambert_law.pdf
- https://cdn.shopify.com/s/files/1/0434/2094/2486/files/79333835584.pdf
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/fibidakojepasebope.pdf
- https://cdn.shopify.com/s/files/1/0434/8860/8418/files/wukikipimorijewededuwi.pdf
- https://cdn.shopify.com/s/files/1/0432/8115/4214/files/25447989025.pdf
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/class_10_science_chapter_11_notes.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/47184882359.pdf
- https://cdn.shopify.com/s/files/1/0429/4829/6863/files/dd_form_1149.pdf
- https://cdn.shopify.com/s/files/1/0427/4028/5607/files/87205408217.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_off0000669c.bin7d089855fbe07c0301fb2cb2408a871d58d46a70722faaf73750efca74244afd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x669C | 5440 bytes |
font_01_sfnt_off000078f3.bina3394861b61a619207f8022c54f3a341555a4d3de486a0e4872f0b6872d1a1c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78F3 | 10312 bytes |
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