MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create SEO spam PDFs. The presence of many links, including to a redirector, suggests an attempt to lure users to 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/pify?keyword=normalidad+y+anormalidad+psicologica+pdf
- http://files.wildfenstudio.com/uploads/1/3/0/8/130814058/95bc1abb70e8.pdf
- http://files.collectorsartists.com/uploads/1/3/1/0/131069992/52a5f60e4004a4.pdf
- http://files.lesmarmitons-sandysprings.org/uploads/1/3/1/4/131453682/zisipubovozi.pdf
- https://cdn.shopify.com/s/files/1/0428/5153/2963/files/ninolufowiseg.pdf
- https://cdn.shopify.com/s/files/1/0433/4691/9579/files/2870577842.pdf
- https://cdn.shopify.com/s/files/1/0430/9381/9541/files/sudulemukizumagadazewuno.pdf
- https://cdn.shopify.com/s/files/1/0435/1026/8064/files/52836060746.pdf
- https://cdn.shopify.com/s/files/1/0433/9610/4348/files/puturekapifozofiri.pdf
- https://cdn.shopify.com/s/files/1/0430/4365/1735/files/lafuwisazokuxewe.pdf
- https://cdn.shopify.com/s/files/1/0433/9413/8277/files/15284970624.pdf
- https://cdn.shopify.com/s/files/1/0429/6910/4540/files/wobawowokisewi.pdf
- https://cdn.shopify.com/s/files/1/0431/3461/5708/files/bafoduwidojedo.pdf
- https://cdn.shopify.com/s/files/1/0431/2337/6277/files/bivibuxonuzimonigowodiwaj.pdf
- https://cdn.shopify.com/s/files/1/0435/2265/4362/files/92276175141.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/
- https://cdn.shopify.com/s/files/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006edf.bin870e11887ccf685cefdbd5ba214db5d2abbeac8515a241a2741d1a42c18536c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EDF | 5136 bytes |
font_01_sfnt_off00008032.binf7e011854e2246f773675e2bd52ceeec5ce245a39cc076f0ab19e75f5da489e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8032 | 10896 bytes |
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