MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links, many of which point to external PDF files, a technique often used for SEO manipulation or to obscure malicious redirects. One of the primary links, 'https://ttraff.com/wix?keyword=test+android+with+appium', is flagged as a malicious redirector. 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.com/wix?keyword=test+android+with+appium
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/d4da64_b5f6ae5bdc6448c5b9ba830c8452dbba.pdf
- https://static.usrfiles.com/ugd/912de2_62d80f61f0824ec2bd1e6deea1f3455a.pdf
- https://static.usrfiles.com/ugd/b8c837_98f4388ee5e94d30af131694b62b071d.pdf
- https://static.usrfiles.com/ugd/b8c837_b1b37d9aa804401eaa7efcb86fe66818.pdf
- https://cdn.shopify.com/s/files/1/0434/7900/7398/files/bullet_points_in_discord.pdf
- https://cdn.shopify.com/s/files/1/0433/9649/7573/files/larimer_county_gis.pdf
- https://cdn.shopify.com/s/files/1/0428/9314/8313/files/dr_martens_shoes_size_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/5795/4467/files/32132573662.pdf
- https://cdn.shopify.com/s/files/1/0448/7377/7319/files/tamil_calendar_2020_january.pdf
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/best_company_profile_presentation_template.pdf
- https://cdn.shopify.com/s/files/1/0435/5201/4491/files/statistical_machine_translation.pdf
- https://static.usrfiles.com/ugd/a2e20a_4b179cfe6cd94625ac1811a8e7e51269.pdf
- https://static.usrfiles.com/ugd/7ff653_30502e9a03914a57adfb77f371cded91.pdf
- https://static.usrfiles.com/ugd/97493d_4f72dbf2d15b4b408046ea18ce6a4629.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_off00006e4c.bin7d6077abd85b2a2cf58255ee281d03803b484af8b90b87ad8d62f3af9cc10a1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E4C | 5208 bytes |
font_01_sfnt_off00007feb.bin437686e94719837b77dda7ea6cb73e9e5b0b53b72a7d255100fe918c997375ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FEB | 12004 bytes |
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