MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to attract search engine traffic and redirect users to potentially harmful content. The primary attack pattern involves luring users through these links.
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.cc/pify?keyword=computer+hardware+and+networking+pdf+in+english In PDF document text
- http://files.brokenknucklekustoms.com/uploads/1/3/0/7/130739099/6724690bd6b1.pdfIn PDF document text
- http://files.easep.org/uploads/1/3/1/6/131607053/5187816.pdfIn PDF document text
- http://files.cowgirlcoutureny.com/uploads/1/3/0/8/130873822/vevukow-zaxapozokaza-sazokabiwunuwi-legamixinema.pdfIn PDF document text
- http://fonumizi.ruthmurraywebster.com/uploads/1/3/1/3/131379326/5568643.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89120683065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4168/5665/files/zofasovurufupe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5363/5989/files/pezorupivanijik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3236/3676/files/sijewexesufogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3717/5456/files/github_readme_folder_structure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4843/5861/files/88943146309.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/65702037476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4444/6118/files/vapewot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8520/9507/files/windows_7_aggiornamenti_0.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8946/1402/files/rijipejewolinilunurigopi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4198/0567/files/widufekumerireg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1558/5448/files/14829528916.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1142/3902/files/15848743217.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000aa91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA91 | 5516 bytes |
SHA-256: b3ab84d1b8e2b2a736c38b6407da2c88f2cc4c2f2cf5ed34ee5db4a96e47907e |
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font_01_sfnt_off0000bd41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD41 | 10420 bytes |
SHA-256: 3f8466ca8acea9f6e67b86a9d5b52e604ec7c632daaf6efe4c5263aec2c03dd2 |
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font_02_sfnt_off0000e10e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE10E | 18752 bytes |
SHA-256: 876bc45f8115547cc0d5aaaf21385fcb3ce211e2abd4c4180af0b1d840e9dbf1 |
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