MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links, including one that redirects to a malicious domain, ttraff.com, disguised as a free download for a 'Bangkok BTS map 2019 pdf'. This indicates a phishing or scam attempt to lure users to malicious infrastructure. The presence of multiple embedded links and the ML classifier's high confidence score support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=bangkok+bts+map+2019+pdf In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2400/6823/files/3633504675.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4946/6526/files/mail._ru_agent_for_windows_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1675/7154/files/latiruvugijupebijabo.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_9431dcffb636424b802f7aac8940d8e2.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_067be260fef9436f9e13c62f45bdbdf1.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_1786e8a9697c40ec83e66de10965cb1e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_07412429a325477597f10d210de4cc55.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a48928_afcb077e0805494f88849707cf183577.pdfIn PDF document text
- https://static.usrfiles.com/ugd/34e21e_cbcdf52a04c34e16aaaf833377eaae37.pdfIn PDF document text
- https://static.usrfiles.com/ugd/15ebe2_fbf6ef0d1b764d5da0b92a78e281da16.pdfIn PDF document text
- https://static.usrfiles.com/ugd/60933b_a0066a7bea94445f98695732e20443ae.pdfIn PDF document text
- https://static.usrfiles.com/ugd/88a84f_bdc537521fd94279a894bd34f44b8ef3.pdfIn PDF document text
- https://static.usrfiles.com/ugd/1849a1_59ee33fcfb644a628615d2b7c8fd5c1e.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008536.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8536 | 3080 bytes |
SHA-256: 8574919c7c8a9f024103958ce015253c5a24b8e646cdb5f787658918713f2b2b |
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font_01_sfnt_off0000903e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x903E | 5968 bytes |
SHA-256: b225ec7c69b6b14deb5e85f3393353ac1ff004cd87e6e76c70c3a94c081cd95d |
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font_02_sfnt_off0000a471.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA471 | 8268 bytes |
SHA-256: ab1fbf534f6dcb7cd56c6ede920a9de7a90200094a77b7fb4d8f69a4c10f19d7 |
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font_03_sfnt_off0000bac6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAC6 | 16292 bytes |
SHA-256: 381275ae5d09cc5a87e94b50f3dc4ebf8daa6d3fe7affb0366a956690196b779 |
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