MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the PDF is designed to trick users into clicking a link that leads to malicious infrastructure, likely for phishing or malware delivery. No scripts were extracted, limiting the analysis of specific execution chains.
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/wb?keyword=netter%20neuro%20atlas%20pdf In PDF document text
- http://muxufu.humboldtneurohealth.org/uploads/1/3/0/7/130776445/lekizerir.pdfIn PDF document text
- http://wujovari.theskullzsalon.com/uploads/1/3/0/7/130776485/1688806.pdfIn PDF document text
- http://gipawin.legacylec.org/uploads/1/3/0/7/130776031/waliwumejuxudosox.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/1/0433/4537/9478/files/pedumomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2881/4746/files/jigoruz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/6756/8291/files/cats_in_the_cradle_chords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8546/3713/files/momexalemobumufafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48695811849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5945/3845/files/how_to_craft_eye_of_ender.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8945/9368/files/tanosediwiziki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7473/8581/files/jupegenemajiwutadegiwiwuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3651/6250/files/siwafadazuxuma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9825/1165/files/jifisajobamire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3654/9018/files/78370961104.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
- 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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017ef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17EF2 | 5004 bytes |
SHA-256: 664ee201fc3a4c51748d8ee47cad3c03bd577f43ad1ba23258799d86706e8b49 |
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font_01_sfnt_off00019001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19001 | 2212 bytes |
SHA-256: 03781c46ea965c97011ed9532e752d1387886e9626c3659a831fb1d842324da3 |
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font_02_sfnt_off00019977.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19977 | 16092 bytes |
SHA-256: 82a8b9e83fd09193059352e20341942857d3ed8bf0f520747fd95e4d2ef9b441 |
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font_03_sfnt_off0001cb41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CB41 | 6152 bytes |
SHA-256: b285e630ec63bb8d6f5237e366bb15089b3a39ba07355632f1d5bca99b4690de |
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