MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a link disguised as a free download for aptitude questions. This link, however, redirects to a malicious URL (ttraff.cc) which is flagged as a known malicious redirector. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, likely for SEO manipulation or to host further malicious content. The ML classifier strongly indicates 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.cc/pify?keyword=aptitude+questions+and+answers+with+explanation+pdf+free+download
- http://files.winonachurchofchrist.org/uploads/1/3/1/3/131398204/renuzatuseg-pareta-ruboruwi.pdf
- http://files.sharonharveyphotography.com/uploads/1/3/0/7/130776164/vogatevuber-warozovi-mipebi.pdf
- http://files.crownedenergyvibes.com/uploads/1/3/1/4/131406736/2011688.pdf
- https://cdn.shopify.com/s/files/1/0433/3607/3366/files/moguzovamalawilimogejijo.pdf
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/anesthsie_pridurale_technique.pdf
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/1052432088.pdf
- https://cdn.shopify.com/s/files/1/0430/2022/2627/files/joxawesunulimujefolo.pdf
- https://cdn.shopify.com/s/files/1/0434/2880/6806/files/mokalalenigugimim.pdf
- https://cdn.shopify.com/s/files/1/0428/5893/8531/files/wifuburixonidalonupo.pdf
- https://cdn.shopify.com/s/files/1/0438/2952/6688/files/38200144100.pdf
- https://cdn.shopify.com/s/files/1/0430/0419/9075/files/1600cc_vw_engines.pdf
- https://cdn.shopify.com/s/files/1/0432/7217/5781/files/pobipavopu.pdf
- https://cdn.shopify.com/s/files/1/0434/7835/2034/files/apollonia_saintclair.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_off000069b7.binb4fb16a0ff2d85c8a92390e5b0d9ed514a1f5a133af247a3f61bfb30814b2ae4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69B7 | 5404 bytes |
font_01_sfnt_off00007c2f.bin6e64ec09d42d069b634fbf76f58140a206a941fc01afee261bc3ae2dc684ac19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C2F | 10152 bytes |
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