MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that point to a redirector URL, which is a common technique for distributing malware or leading users to phishing sites. The document body, though partially corrupted, suggests a lure related to 'Bosch tools manuals'. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a coordinated effort to distribute content through multiple PDFs. The ML classifier also strongly flagged this PDF as malicious.
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=bosch+tools+manuals
- https://static.usrfiles.com/ugd/a2ebd8_45dec6b753e1426ebb1539b65a6ffa82.pdf
- https://static.usrfiles.com/ugd/f1780b_41f85ec20598402dbefbdbd91a4f2219.pdf
- https://static.usrfiles.com/ugd/253000_7066331fd8cf49aeb116a2b005fb8094.pdf
- https://static.usrfiles.com/ugd/289c5e_9642a7d956384ccb816d7d981f474630.pdf
- https://static.usrfiles.com/ugd/4f270c_2518aef815c84ddbb0f5e84a90da2d41.pdf
- https://static.usrfiles.com/ugd/b8c837_7056f474405147048f057f18428ca38b.pdf
- https://static.usrfiles.com/ugd/79e0dc_0f2906f1819243c5ba8bc9c11adbaf6a.pdf
- https://static.usrfiles.com/ugd/b8c837_89a4ea3ff8a14ee09f582ce94b139d16.pdf
- https://static.usrfiles.com/ugd/de65f7_ab923a3787c441b699ccf44d7cda973e.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38140624907.pdf
- https://cdn.shopify.com/s/files/1/0440/4091/3061/files/fluke_1520_megohmmeter.pdf
- https://cdn.shopify.com/s/files/1/0460/1744/6055/files/67791823353.pdf
- https://cdn.shopify.com/s/files/1/0440/2203/8686/files/freesia_planting_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/3735/1323/files/xizavowefoponelufawekotus.pdf
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/english_grammar_betty_azar_fourth_edition.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_off00006646.bin7f991270118cd836664c81548c8a30ba380d81a229f03799799663f4dbd20ae7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6646 | 4992 bytes |
font_01_sfnt_off00007718.bin0b7b1a4b146c0725c24a33b1b7e7235dc695ed709041723f92e9970bf29e6a61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7718 | 10148 bytes |
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