MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a deceptive lure, presenting itself as a download for 'Firefox developer edition ubuntu'. It embeds multiple links, with a critical heuristic identifying a redirector link to 'https://ttraff.cc/pify?keyword=firefox+developer+edition+ubuntu'. This indicates a social engineering attack aiming to redirect users to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.
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=firefox+developer+edition+ubuntu
- http://revebu.auntyjoys.com/uploads/1/3/0/8/130813821/6f070491b4c.pdf
- http://vowoluruw.beechwoodnaturopathy.com/uploads/1/3/0/8/130874493/dimib-zezegoxawiwam.pdf
- http://files.ask-noodles.com/uploads/1/3/0/7/130740212/kaxajukuremubu.pdf
- http://files.5dmarketingandconsulting.com/uploads/1/3/0/9/130969986/58a76e30b7366.pdf
- https://cdn.shopify.com/s/files/1/0433/9440/0414/files/tegevonakinof.pdf
- https://cdn.shopify.com/s/files/1/0435/3549/9418/files/bansidhar_ke_video_2019.pdf
- https://cdn.shopify.com/s/files/1/0428/4094/8903/files/ecology_definition_biology.pdf
- https://cdn.shopify.com/s/files/1/0437/6284/3797/files/learning_to_fly_short_stories_book.pdf
- https://cdn.shopify.com/s/files/1/0432/4648/5672/files/99869099602.pdf
- https://cdn.shopify.com/s/files/1/0428/4396/3548/files/dijup.pdf
- https://cdn.shopify.com/s/files/1/0441/2289/8584/files/fabrication_of_chainless_bicycle.pdf
- https://cdn.shopify.com/s/files/1/0427/4126/8647/files/kebur.pdf
- https://cdn.shopify.com/s/files/1/0440/3471/9909/files/bexar.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_off00006a82.bin141d622e122299541895c038d9a3c552561336909589ac6eeb8f6bb10d0330ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A82 | 4872 bytes |
font_01_sfnt_off00007b24.bin7581715bebad2a44ba4c1131ddac31d22f9662ea77df424adae04f0e580ded43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B24 | 13148 bytes |
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