MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm or SEO poisoning tactic. One critical heuristic indicates that a link within the PDF redirects to known malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious. The document body appears to be obfuscated or corrupted, preventing a clear understanding of its intended lure, but the presence of numerous links and the malicious redirector strongly indicate a phishing or redirection attack.
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.cc/wb?keyword=codigo%20penal%20de%20el%20salvador%202018%20pdf
- http://files.jamestanksley.com/uploads/1/3/0/7/130739379/3208031.pdf
- http://files.zenfreshcleaning.com/uploads/1/3/0/7/130775698/6084297.pdf
- http://files.apolloartists.net/uploads/1/3/2/6/132681851/3866484.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3425/5265/files/84363613919.pdf
- https://cdn.shopify.com/s/files/1/0435/2681/5895/files/78822167479.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jewaxepolirabosumasedud.pdf
- https://cdn.shopify.com/s/files/1/0432/1778/0896/files/28709670971.pdf
- https://cdn.shopify.com/s/files/1/0438/0796/5341/files/darezawinagunofejarexogur.pdf
- https://cdn.shopify.com/s/files/1/0432/3534/4539/files/76641875135.pdf
- https://cdn.shopify.com/s/files/1/0431/0712/3357/files/58933366707.pdf
- https://cdn.shopify.com/s/files/1/0432/2738/1920/files/vumuseselofixawoji.pdf
- https://cdn.shopify.com/s/files/1/0430/9070/6589/files/5401742958.pdf
- https://cdn.shopify.com/s/files/1/0431/1128/4885/files/50109387717.pdf
- https://cdn.shopify.com/s/files/1/0437/9800/3874/files/1856657933.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_off000077a2.bince5c7d07afd570d56218ff942c35156dcd6f20a00d583df70f1ca155841a8dbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77A2 | 5520 bytes |
font_01_sfnt_off00008a79.bin0197c300983ed307cac97acc8d6875e98eed7c4d4112a49184085e103158ed6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A79 | 11472 bytes |
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