MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though partially corrupted, includes text related to 'recruitment notification' and the malicious URL, suggesting a phishing lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm used for SEO poisoning or distributing malicious content. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=bwssb+recruitment+notification+pdf+download In PDF document text
- http://files.y4kc.org/uploads/1/3/2/7/132740804/muginil.pdfIn PDF document text
- http://files.polarispsychology.ca/uploads/1/3/2/6/132682076/rutamutoz.pdfIn PDF document text
- http://files.piecedtogether.org/uploads/1/3/1/8/131871740/e2ea772.pdfIn PDF document text
- http://files.thefilamentstudio.com/uploads/1/3/0/7/130739769/wapuwivegub.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2729/1544/files/17846371252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2732/4310/files/12825244265.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7593/5134/files/migezamobesibumesofes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6377/9236/files/legasanepofa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2313/0009/files/tozanesabadevub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2019/7789/files/88913053072.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3799/8754/files/gunesovujaxasokogojonav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4490/4865/files/tolavek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5282/5767/files/94412433512.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1142/3902/files/25598279807.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8052/3678/files/birumazopuwijin.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000071a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71A4 | 5580 bytes |
SHA-256: dfca58bf96462e21fde632c2435d0979375698e2276103f0d5fc9b18e4df2dd0 |
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font_01_sfnt_off00008496.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8496 | 10432 bytes |
SHA-256: aaba30921e0a99532974b7424e5c8008c63c71d5379e229e9d5d5bc67bd3f3bd |
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font_02_sfnt_off0000a83e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA83E | 16164 bytes |
SHA-256: e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6 |
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font_03_sfnt_off0000bd91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD91 | 4916 bytes |
SHA-256: b058e2cd97bf226c03c4ac1d9208db00b53bddb930e657afa91620a81a47719c |
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