MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'consistent system of linear equations examples pdf' and includes a URL pointing to a redirector. This suggests a phishing or scam attempt, likely using the document as a lure to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/wb?keyword=consistent%20system%20of%20linear%20equations%20examples%20pdf
- http://files.eldersdailymeditations.com/uploads/1/3/0/7/130776828/faxebatebevetami.pdf
- http://genarusij.honeypotcreativecafe.com/uploads/1/3/2/6/132680903/7716237.pdf
- http://files.patestos.com/uploads/1/3/1/3/131381003/radezeparenonu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3124/8542/files/145877678.pdf
- https://cdn.shopify.com/s/files/1/0432/7053/7374/files/lijepovegupekudu.pdf
- https://cdn.shopify.com/s/files/1/0433/9915/1768/files/askep_hernia_inguinalis.pdf
- https://cdn.shopify.com/s/files/1/0433/5543/9263/files/sudivakotepupaxuv.pdf
- https://cdn.shopify.com/s/files/1/0429/8833/9361/files/murogiforuwa.pdf
- https://cdn.shopify.com/s/files/1/0437/7149/4554/files/lerawajoxapomulerugujaji.pdf
- https://cdn.shopify.com/s/files/1/0430/2376/1571/files/bufedazezegagal.pdf
- https://cdn.shopify.com/s/files/1/0430/0485/4426/files/1906620925.pdf
- https://cdn.shopify.com/s/files/1/0430/2703/8369/files/commodore_64_manual.pdf
- https://cdn.shopify.com/s/files/1/0438/2975/6066/files/30340167587.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bac.bin2f3d347fa32c77211aee8954e215561d831bdde0e5d21026704780b9140d884c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BAC | 5388 bytes |
font_01_sfnt_off00006deb.bine5ce59aa55914bb31611ab71d5b1814b2b5cdc13e00aed629be3d3bd03e8e68e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DEB | 13268 bytes |
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