MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=design+brief+pltw+template', suggesting a lure to a malicious site. 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.cc/pify?keyword=design+brief+pltw+template
- http://files.visitgather.com/uploads/1/3/0/7/130739028/3042516.pdf
- http://files.arlenegersonphd.com/uploads/1/3/1/0/131070171/zasamuw_fefegipela_rikimixo.pdf
- http://fiter.texasredbuddental.com/uploads/1/3/1/4/131453206/7791007.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/3957/9546/files/75063416738.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52209678420.pdf
- https://cdn.shopify.com/s/files/1/0433/7729/5516/files/playboy_download.pdf
- https://cdn.shopify.com/s/files/1/0431/9156/6493/files/nakifuwar.pdf
- https://cdn.shopify.com/s/files/1/0432/9432/6942/files/kepupezuvilef.pdf
- https://cdn.shopify.com/s/files/1/0431/8789/6488/files/fufozate.pdf
- https://cdn.shopify.com/s/files/1/0430/7058/7029/files/godedivudiluxabigujuduk.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57790570823.pdf
- https://cdn.shopify.com/s/files/1/0438/4486/2114/files/forest_gnome_dnd_5e.pdf
- https://cdn.shopify.com/s/files/1/0431/2950/3908/files/jakodovuturozon.pdf
- https://cdn.shopify.com/s/files/1/0433/4292/1886/files/89928728074.pdf
- https://cdn.shopify.com/s/files/1/0438/0921/0528/files/diskinternals_linux_reader.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_off00005de4.bin4a9e4ad521040f657709c3bc44c48bf82a6280adb1a6682bb28976491c8ee29b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE4 | 5452 bytes |
font_01_sfnt_off00007060.bindcc344984ea100c598b4af24e0fc24065ade0ef356518bac05d4f64ad3761780 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7060 | 9924 bytes |
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