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, with one heuristic specifically identifying it as a PDF link farm. The primary malicious URL, 'https://ttraff.cc/pify?keyword=das+aleph+borges+pdf', is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that suggest a lure or redirection mechanism.
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/pify?keyword=das+aleph+borges+pdf
- http://rabawiv.yoonho-kim.com/uploads/1/3/1/3/131379552/0f5a8ef75dc.pdf
- http://sunalafom.rileymeadowsstable.com/uploads/1/3/1/0/131070872/1881071.pdf
- http://files.get2knowisi.org/uploads/1/3/0/8/130814586/9463572.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/8150/5695/files/bacterial_diseases_in_cattle.pdf
- https://cdn.shopify.com/s/files/1/0435/6925/0463/files/79020026646.pdf
- https://cdn.shopify.com/s/files/1/0436/8993/5002/files/greenhouse_gases.pdf
- https://cdn.shopify.com/s/files/1/0434/7192/9496/files/9742439840.pdf
- https://cdn.shopify.com/s/files/1/0434/9899/5864/files/77853787241.pdf
- https://cdn.shopify.com/s/files/1/0433/4374/1083/files/pabokezonaxubomedidekos.pdf
- https://cdn.shopify.com/s/files/1/0431/5054/0964/files/14718749099.pdf
- https://cdn.shopify.com/s/files/1/0434/6881/6544/files/kelof.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/kibudalobo.pdf
- https://cdn.shopify.com/s/files/1/0432/2154/9217/files/biological_oxygen_demand_test_procedure.pdf
- https://cdn.shopify.com/s/files/1/0437/1991/7717/files/before_we_were_yours_online.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tuwaz.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_off00006591.bin3a6feb26f03eb65ce1dbd34bb453cdfc49eace07c0d494a49e60fdb4698bcec2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6591 | 5444 bytes |
font_01_sfnt_off00007807.bin5aaa508f05770b74aa314649225a8170afdfa021769d52af9b72928c25f726e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7807 | 11136 bytes |
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