MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, forming a link farm, and specifically points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to interview questions and the malicious URL, suggesting a phishing lure. The ML classifier also strongly indicated maliciousness.
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.ru/wix?keyword=project+coordinator+interview+questions In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_05541944863e4a8cb301cb6a7e10482f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0789d5_37a62475b3e54e49b379fe6d36491d85.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_fc2c3690156841729add3e999934dfc9.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0c4177_c4124a4a441b456ca835c932322e47f5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/739437_545ec1e3ed6d4078a2ab7867b665d6ef.pdfIn PDF document text
- https://static.usrfiles.com/ugd/d54300_c3e0c228cdd6482dadff432c07180c0e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/3aca14_bd7aee744dce43a89163cf1710170436.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_f8f0a6fa93dd4babb76a95e8490c82dd.pdfIn PDF document text
- https://static.usrfiles.com/ugd/09273f_dcbf684a372048a1802e8bee683b554d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_9dfcf5f11552475db2c40cf7f05396e2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0342/9535/files/bajuxiwenotedatam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4002/9344/files/vinazunaxanaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5685/6230/files/87756050395.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_709bbebb40af484b85921a52210b3de5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/6cfc61_8a63603b89c44769a7a9901a98677c33.pdfIn PDF document text
- https://static.usrfiles.com/ugd/822ecd_afbfc59f028c442d8882d63e71d406c5.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008319.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8319 | 6588 bytes |
SHA-256: b3260a8b27c40a1c9408c40b3dcfb9ec9ded560232013cbc1ca8de37ebb5a831 |
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font_01_sfnt_off00009393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9393 | 5256 bytes |
SHA-256: f43cbf5e6a4706b9f6a95b1e2cbac83afd970803080e6455ec6b04765d0261d0 |
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font_02_sfnt_off0000a586.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA586 | 2924 bytes |
SHA-256: 4a7cb244add02a1b68fea71dd8f82eb8ce3375fff077073faa63549213b9916c |
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font_03_sfnt_off0000b1da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1DA | 10404 bytes |
SHA-256: d68735a958701980287d60821d35be9b13696ab756ca9b2f38196b44755a802d |
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font_04_sfnt_off0000d563.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD563 | 16416 bytes |
SHA-256: b1a7be413c16529a3efb36790fb1ede9dbc47b99b1dcf399fe3ce16d881d47c9 |
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