MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though partially corrupted, suggests a lure related to video calls, likely intended to trick users into clicking the malicious links. The ML classifier strongly indicated maliciousness, and the presence of a redirector URL supports a phishing or scamming attack pattern.
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/wix?keyword=como+fazer+chamada+de+video+telegram
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/1002/1787/files/malaxexirepurakuki.pdf
- https://cdn.shopify.com/s/files/1/0429/5006/6339/files/pdf_reader_free_small_size.pdf
- https://cdn.shopify.com/s/files/1/0460/1230/1479/files/butibajoz.pdf
- https://static.usrfiles.com/ugd/b8c837_9a1b85329e56487085f77b286c4c3d0d.pdf
- https://static.usrfiles.com/ugd/f0e51d_a1585a18160244d5813e9a6ed41b9181.pdf
- https://static.usrfiles.com/ugd/b8c837_ec3edfbd5ac74a0994f2828b8d9f8f64.pdf
- https://static.usrfiles.com/ugd/73f3b0_9efdd701bc1f4337bb50e7c6ca6f4b49.pdf
- https://static.usrfiles.com/ugd/cc03df_e385d98300724a69928bdbfc640bafe6.pdf
- https://static.usrfiles.com/ugd/b8c837_da61417200a94ceba3db15df1b75b394.pdf
- https://static.usrfiles.com/ugd/0049ca_b1b5246749bf4450aa9f555dccf970fe.pdf
- https://cdn.shopify.com/s/files/1/0428/0965/5462/files/acute_otitis_media_treatment_guidelines_idsa.pdf
- https://cdn.shopify.com/s/files/1/0427/7121/8588/files/fesedovivodepuxaba.pdf
- https://cdn.shopify.com/s/files/1/0437/6972/5080/files/jazojufaj.pdf
- https://cdn.shopify.com/s/files/1/0435/8501/1869/files/aesthetic_wallpaper_hd.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_off000061cc.bin040821bfd9f4904312aa6f9f0404aecd5113e057c638b92683819430f08ec485 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61CC | 5272 bytes |
font_01_sfnt_off000073a6.bin020e745ce76fa24e6dbbf86a32fb469a1ba17c77d9b77499cd0e09a368a98633 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73A6 | 12236 bytes |
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