MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm designed to lure users. One prominent link, disguised as a search result for 'fundamentals of firefighter skills 3rd edition pdf', redirects to the malicious domain 'ttraff.ru'. This suggests a social engineering attack aimed at driving traffic to malicious infrastructure, likely for further exploitation or malware delivery.
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.ru/wix?keyword=fundamentals+of+firefighter+skills+3rd+edition+pdf
- https://cdn.shopify.com/s/files/1/0428/4334/0956/files/pogakibi.pdf
- https://cdn.shopify.com/s/files/1/0439/3988/9310/files/5762834549.pdf
- https://cdn.shopify.com/s/files/1/0428/0342/9535/files/satapagarugebakekukivupob.pdf
- https://static.usrfiles.com/ugd/238140_ded123685f124beab5bfd257f5a4cb3d.pdf
- https://static.usrfiles.com/ugd/b8c837_f2b9c0691c9c469990171cac812cc43f.pdf
- https://static.usrfiles.com/ugd/24853a_a286d856038443bcb7ac367b552a6f85.pdf
- https://static.usrfiles.com/ugd/d54300_2f3ef49ae77743ef82d091515916cb0a.pdf
- https://cdn.shopify.com/s/files/1/0435/6171/3813/files/dataannotations_c_datetime_format.pdf
- https://cdn.shopify.com/s/files/1/0429/3355/1260/files/nth_term_of_arithmetic_sequence_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0432/2544/8615/files/boy_meets_girl_joshua_harris_download.pdf
- https://cdn.shopify.com/s/files/1/0434/6439/2866/files/18963001065.pdf
- https://cdn.shopify.com/s/files/1/0432/9259/0236/files/drawing_practice_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0438/5118/6336/files/shotcut_video_editor_free_mac.pdf
- https://cdn.shopify.com/s/files/1/0435/4726/3128/files/91557067351.pdf
- https://cdn.shopify.com/s/files/1/0432/5769/2320/files/livasipa.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_off000050b9.binfee6253655722c25d2d6d0504098e1c4d37b6e7bb22f981358bd66e3e072e936 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50B9 | 5640 bytes |
font_01_sfnt_off000063bb.binc8cf5faf91ca30fa243d7e2f37ca72737419cc44d820cbbc162e3a5e47514afd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63BB | 10328 bytes |
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