MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically the URL 'https://ttraff.link/wix?keyword=asme+b16.+34+pdf'. This URL is presented within the document body, suggesting a lure to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, further indicates a link farm or SEO manipulation tactic to distribute malicious content. 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.link/wix?keyword=asme+b16.+34+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5637/3659/files/1231456154.pdf
- https://cdn.shopify.com/s/files/1/0428/9134/6079/files/wondershare_mobile_transfer_full_free.pdf
- https://cdn.shopify.com/s/files/1/0437/9007/4018/files/spatial_analysis_in_gis.pdf
- https://cdn.shopify.com/s/files/1/0430/6596/6754/files/48353598782.pdf
- https://cdn.shopify.com/s/files/1/0428/9023/1974/files/types_of_business_tourism.pdf
- https://cdn.shopify.com/s/files/1/0439/7711/3758/files/cupcake_jemma_macaron_template.pdf
- https://static.usrfiles.com/ugd/b8c837_2d96980ea4e847a6a7880b82de79ca64.pdf
- https://static.usrfiles.com/ugd/b8c837_3eb302010e414e41a3cf82b8467ae960.pdf
- https://cdn.shopify.com/s/files/1/0431/7023/4524/files/69467032315.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/topamuj.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000072da.bin5323246f72c1a3f49731c15c9137e24573aa12f4f8cfac62e1ace18ad9fdd913 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72DA | 5468 bytes |
font_01_sfnt_off00008578.bin9435a6cdd9f27f7855da844b79ee5d53768705695c9585bb592292595b4e035d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8578 | 14072 bytes |
font_02_sfnt_off0000b2e3.bin06d84a79787f49517cba9647d12dd77c675544b9e46e70dbd0c3ec2b8d2a160e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2E3 | 16132 bytes |
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