MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, including one pointing to a known malicious redirector at `https://ttraff.ru/pify?keyword=impuesto+alcabala+pdf`. The document body, though heavily obfuscated, appears to contain similar links and references to tax-related documents, suggesting a lure for phishing or scamming. 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=impuesto+alcabala+pdf
- http://files.yizhixu.com/uploads/1/3/1/3/131398102/fisenizadak_redafex_mitutalojejid.pdf
- http://files.herbalhealthandhealingarts.com/uploads/1/3/0/7/130776042/9519705.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/zokoruwelovedinewatimir.pdf
- https://cdn.shopify.com/s/files/1/0427/9340/2534/files/52182065543.pdf
- https://cdn.shopify.com/s/files/1/0433/8850/2174/files/pokizeluz.pdf
- https://cdn.shopify.com/s/files/1/0428/6660/6247/files/bikap.pdf
- https://cdn.shopify.com/s/files/1/0430/7507/6258/files/sukuzeroxapenusoran.pdf
- https://cdn.shopify.com/s/files/1/0463/0675/4717/files/gugibulaz.pdf
- https://cdn.shopify.com/s/files/1/0438/2910/0701/files/50984803868.pdf
- https://cdn.shopify.com/s/files/1/0430/0544/4259/files/25464796073.pdf
- https://cdn.shopify.com/s/files/1/0437/0454/9544/files/driver_evaluation_form_template.pdf
- https://cdn.shopify.com/s/files/1/0428/5975/7734/files/boojum_menu.pdf
- https://cdn.shopify.com/s/files/1/0433/4324/9563/files/adding_integers_word_problems.pdf
- https://cdn.shopify.com/s/files/1/0447/5482/9463/files/apostasy_in_malaysia.pdf
- https://cdn.shopify.com/s/files/1/0434/0721/2709/files/gabriel_s_oboe_flute_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0435/2986/3320/files/fejaluzulimojomatezimolap.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_off00006698.bin5920e8bed741ce4a254f77039fd7f51ab52416a698dd8c72f318a9c5836f977b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6698 | 5280 bytes |
font_01_sfnt_off00007870.bin8207d712ce6709a2f512ff2227197da6fec1d6b7f43f92bd7942a3cdb994e23d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7870 | 11636 bytes |
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