MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic indicates these links are part of a malicious redirector scheme, directing users to potentially harmful sites. The ML classifier also strongly flagged this PDF as malicious. The document body itself is largely obfuscated but contains a URL that appears to be part of the link farm.
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/wb?keyword=alevines%20tilapia%20roja%20pdf In PDF document text
- http://files.familylawyerminnesota.com/uploads/1/3/1/6/131607712/jubigi_vomikewupinoz.pdfIn PDF document text
- http://files.streetcorephotography.com/uploads/1/3/1/8/131856318/wobevovifa.pdfIn PDF document text
- http://wemeponij.ballmania.com/uploads/1/3/2/8/132814930/d7cef043.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/4433/8838/files/blockly_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6009/1287/files/8756133993.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13908697451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27621352833.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2263/9527/files/wutazugisibikiguseviga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5974/7745/files/fagamoladugikodetaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5240/8742/files/81680013552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32686583269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8323/5489/files/dokafebevurawetuwazefojez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/6879/6578/files/cercospora_leaf_spot_of_chilli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4997/5961/files/28255790728.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2825/0781/files/luwurijaxit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/71135401618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8042/4351/files/aamir_khan_biography.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004aad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AAD | 4948 bytes |
SHA-256: b5e9eab3c701fd53fd22a0f4cdf4a1a25643fe0b2e53c1a9430f1b5f64faf4ca |
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font_01_sfnt_off00005b91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B91 | 10936 bytes |
SHA-256: 3272ea32bcfb7b188a756e60fd3b29cb0889f77c0e7e43c82189d243716e8bc1 |
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font_02_sfnt_off00007f8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F8A | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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