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 benign Shopify URLs, but one critical link redirects to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=arihant+encyclopedia+of+general+science+book+pdf', which is flagged as malicious. This suggests the document is designed to trick users into clicking the malicious link, likely leading to further malware or phishing attempts.
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+encyclopedia+of+general+science+book+pdf
- http://files.31quotes.com/uploads/1/3/1/0/131070619/menuzuwo.pdf
- http://files.lvmphotoshuntingtonwv.com/uploads/1/3/1/3/131398133/difiru_fizanuza_bazixigaveba.pdf
- http://files.tinytownllc.com/uploads/1/3/1/1/131163492/5720250.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/3490/1671/files/ubuntu_shut_down.pdf
- https://cdn.shopify.com/s/files/1/0429/8548/8543/files/8375347409.pdf
- https://cdn.shopify.com/s/files/1/0438/2821/5968/files/business_english_books_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/4786/1928/files/rifigowobatokon.pdf
- https://cdn.shopify.com/s/files/1/0440/5536/3734/files/free_basic_bodice_pattern.pdf
- https://cdn.shopify.com/s/files/1/0434/7972/8281/files/50024421846.pdf
- https://cdn.shopify.com/s/files/1/0427/9074/8316/files/32463825497.pdf
- https://cdn.shopify.com/s/files/1/0429/9289/4115/files/93942637257.pdf
- https://cdn.shopify.com/s/files/1/0431/6738/3713/files/six_flags_over_texas_map.pdf
- https://cdn.shopify.com/s/files/1/0430/9617/8845/files/xutiwubeparajutenisug.pdf
- https://cdn.shopify.com/s/files/1/0437/2843/7409/files/5655342512.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_off00004da2.bin850c37c059faae2dfa384de5c19acbb3842a538d921430745fe1213bf696a2cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DA2 | 5712 bytes |
font_01_sfnt_off00006116.bin152788593ed8ee8bf05b61ef126ca7c94b147bd2b28d1c8d470e6f25053b5640 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6116 | 9804 bytes |
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