MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a link farm designed to redirect users to potentially malicious content. One of the primary URLs, 'https://ttraff.com/pify?keyword=best+free+training+apps+for+android', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to training apps and the malicious URL, suggesting a social engineering lure.
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=best+free+training+apps+for+android
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/57c819_e134e6b0c1a04f8ebc82e0c1a0d31651.pdf
- https://static.usrfiles.com/ugd/221f3a_e1fbf738cf224dbb96e4b10d60311cdb.pdf
- https://static.usrfiles.com/ugd/eed56f_ccd1a3ada881474ea1ce34769f352867.pdf
- https://cdn.shopify.com/s/files/1/0436/1961/4882/files/witurutofudetaluviwi.pdf
- https://cdn.shopify.com/s/files/1/0437/3879/2085/files/xuratavaludun.pdf
- https://cdn.shopify.com/s/files/1/0433/2909/3784/files/astronautics_the_physics_of_space_flight.pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/kinetika_adsorpsi.pdf
- https://cdn.shopify.com/s/files/1/0431/2776/7206/files/silen.pdf
- https://cdn.shopify.com/s/files/1/0431/4179/1895/files/63071197741.pdf
- https://cdn.shopify.com/s/files/1/0431/1790/4033/files/bose_quietcomfort_35_software.pdf
- https://cdn.shopify.com/s/files/1/0430/5849/5639/files/ponoxalarozuxipivopasaped.pdf
- https://cdn.shopify.com/s/files/1/0437/5104/7329/files/68602425868.pdf
- https://cdn.shopify.com/s/files/1/0438/7209/2315/files/xuxekidujakavakogomi.pdf
- https://cdn.shopify.com/s/files/1/0428/1224/4134/files/80227623431.pdf
- https://cdn.shopify.com/s/files/1/0428/3963/8179/files/japagepikadizi.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_off000073a2.bin68ed3e19e8d94aea9ee32abdd7a7805ac9a5090b5e332fff3733f7601e98f75b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73A2 | 5224 bytes |
font_01_sfnt_off0000857d.binb0b12f7f0d63980a1e14d7ad2061edd4a4f89f1a6d57e3e528648c9b0de8ffee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x857D | 9888 bytes |
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