MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.cc/pify?keyword=biblia+de+jerusalen+ilustrada+pdf`. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The document body, though heavily obfuscated, contains the same URL, reinforcing its role as a lure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious PDF.
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=biblia+de+jerusalen+ilustrada+pdf
- http://files.mascotwesley.com.au/uploads/1/3/1/6/131606025/866323e51.pdf
- http://files.mygentlehealth.com/uploads/1/3/0/9/130969871/2898801.pdf
- http://files.norenbergtax.com/uploads/1/3/1/3/131398515/mirejovemop.pdf
- https://cdn.shopify.com/s/files/1/0431/8773/2644/files/29622689570.pdf
- https://cdn.shopify.com/s/files/1/0430/4040/7701/files/54090300068.pdf
- https://cdn.shopify.com/s/files/1/0429/7788/6367/files/dilejak.pdf
- https://cdn.shopify.com/s/files/1/0433/2729/1547/files/nios_506_assignment_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0427/5588/3175/files/33463799934.pdf
- https://cdn.shopify.com/s/files/1/0433/0386/2440/files/71161387810.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/63411202308.pdf
- https://cdn.shopify.com/s/files/1/0430/9961/9492/files/jurovarubebubuwivefuta.pdf
- https://cdn.shopify.com/s/files/1/0431/2770/1655/files/lixar.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86562581376.pdf
- https://cdn.shopify.com/s/files/1/0430/4053/8773/files/66430035944.pdf
- https://cdn.shopify.com/s/files/1/0432/3350/9534/files/minecraft_prison_escape_map.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006fa3.binb25f01203c0df7308e0ea408c01f97503c5b4e620aade329840ed15a6baedf52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FA3 | 5300 bytes |
font_01_sfnt_off000081b6.bin5ceefc4c04a27670b6f5423d1f5bb519f5440f348b974bfdbb10da1c57bcd3e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81B6 | 11176 bytes |
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