MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains references to 'Ubuntu 14 64 bit iso' and a URL that leads to a 'keylogger_for_iphone.pdf', indicating a social engineering lure. The primary malicious URL is https://ttraff.cc/pify?keyword=ubuntu+14+64+bit+iso, which redirects to further 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.cc/pify?keyword=ubuntu+14+64+bit+iso
- http://jixosak.kansascitywriters.com/uploads/1/3/0/7/130738706/8241048.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/8848/5288/files/keylogger_for_iphone.pdf
- https://cdn.shopify.com/s/files/1/0430/7946/7170/files/litelogawow.pdf
- https://cdn.shopify.com/s/files/1/0431/7590/3383/files/mathematical_logic_notes.pdf
- https://cdn.shopify.com/s/files/1/0431/8494/7357/files/83698422436.pdf
- https://cdn.shopify.com/s/files/1/0437/8047/2984/files/71762698556.pdf
- https://cdn.shopify.com/s/files/1/0430/4217/7181/files/equipped_for_reading_success_david_kilpatrick.pdf
- https://cdn.shopify.com/s/files/1/0440/2616/7461/files/shell_advance_ax7_4t_15w50.pdf
- https://cdn.shopify.com/s/files/1/0431/5434/2042/files/anet_a8_marlin_firmware.pdf
- https://cdn.shopify.com/s/files/1/0435/8930/4477/files/roxafofagarezu.pdf
- https://cdn.shopify.com/s/files/1/0433/4023/4917/files/biography_format.pdf
- https://cdn.shopify.com/s/files/1/0430/1042/4985/files/wabetesuna.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_off00005bd7.binecb48810bf7af397a5e4631edffdbe32a2d9b27d99855c679bd9ed6a1c08c0c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BD7 | 4764 bytes |
font_01_sfnt_off00006c2d.binb48e6911797fe263bf224775705809e8b87641e77a10f8c19b0a84d7ae68b504 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C2D | 9620 bytes |
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