MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'intertherm installation manuals' and includes the malicious URL, suggesting a lure for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports a malicious intent.
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.com/wix?keyword=intertherm+installation+manuals
- https://cdn.shopify.com/s/files/1/0431/4028/4583/files/87844196739.pdf
- https://cdn.shopify.com/s/files/1/0431/3061/8011/files/21190126771.pdf
- https://cdn.shopify.com/s/files/1/0428/3564/0487/files/lubesupavava.pdf
- https://cdn.shopify.com/s/files/1/0428/7397/9043/files/biomes_concept_map_answer_key_biology_corner.pdf
- https://cdn.shopify.com/s/files/1/0430/6062/5562/files/astronomical_telescope_project.pdf
- https://cdn.shopify.com/s/files/1/0432/6529/4504/files/38133347981.pdf
- https://cdn.shopify.com/s/files/1/0429/3525/5203/files/20832568422.pdf
- https://static.usrfiles.com/ugd/08fe48_fcc0996cb0844b829213ec8f9f4972d2.pdf
- https://static.usrfiles.com/ugd/b8c837_d4960a152b724b51b4f3158374e3ba99.pdf
- https://static.usrfiles.com/ugd/34e21e_669dc1bb6f814355b3662dd89de9467e.pdf
- https://static.usrfiles.com/ugd/b8c837_e11ca8e0172f4fe2b578c08cd5c2c96b.pdf
- https://static.usrfiles.com/ugd/97aff7_7a6327d38d5340229046c3065705195b.pdf
- https://cdn.shopify.com/s/files/1/0431/7184/0161/files/coordinate_system_transformation.pdf
- https://cdn.shopify.com/s/files/1/0437/7142/9025/files/heading_for_business_letter_template.pdf
- https://cdn.shopify.com/s/files/1/0435/9664/4511/files/nesugef.pdf
- https://cdn.shopify.com/s/files/1/0429/6241/9863/files/work_life_balance_policies.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_off00004aeb.bin1942725a342c33287e1072656c70dcaa781030166f735d4a1a59473f5587df59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AEB | 4864 bytes |
font_01_sfnt_off00005b31.binb89975aaed44cebfc17aff11ccd4c473ca27b31b71ed12a22982bc6d3b82521b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B31 | 8836 bytes |
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