MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains text related to academic books and a URL that appears to be a lure. The presence of a malicious redirector link strongly suggests an attempt to lead the user to a malicious site, likely for phishing or malware distribution.
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=arihant+books+for+iit+jam+physics+pdf
- http://files.imperialgrp.com/uploads/1/3/1/3/131381006/d53dc3cd9e.pdf
- http://buzoxape.hannahleatherbury.com/uploads/1/3/2/6/132680813/b9cf32c59285741.pdf
- http://files.white-birch-farm-llc.com/uploads/1/3/1/0/131071166/5fe3eac.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7036/5602/files/69584155185.pdf
- https://cdn.shopify.com/s/files/1/0432/7643/5621/files/vunosobibomo.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3902/files/29128415543.pdf
- https://cdn.shopify.com/s/files/1/0431/7341/3028/files/27337054392.pdf
- https://cdn.shopify.com/s/files/1/0436/6788/2134/files/download_books_free_online.pdf
- https://cdn.shopify.com/s/files/1/0430/3070/8385/files/kohler_command_20.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/febipak.pdf
- https://cdn.shopify.com/s/files/1/0431/7780/3931/files/20610440825.pdf
- https://cdn.shopify.com/s/files/1/0430/8199/0295/files/gidapixamigavulazemivitif.pdf
- https://cdn.shopify.com/s/files/1/0434/3844/0598/files/42321292581.pdf
- https://cdn.shopify.com/s/files/1/0435/7583/6840/files/17738661369.pdf
- https://cdn.shopify.com/s/files/1/0431/8344/0030/files/arpegios_para_guitarra_clasica.pdf
- https://cdn.shopify.com/s/files/1/0438/8097/2456/files/new_year_bulletin_board.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_off000064ee.bin7778c114b543e64b937ca7b70c7bc21e9db1d3126f3b175a6043804d8566b847 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64EE | 5732 bytes |
font_01_sfnt_off0000784f.bin8603ab01a5c1e04fcfeede76235b99762af8ff6a3b0727708edc5ffcff46d77d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x784F | 10368 bytes |
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