MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL that triggers this redirection. The presence of a link farm further suggests a malicious intent to distribute malicious content or engage in SEO poisoning.
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.ru/pify?keyword=hot+air+balloon+pilot+training+manual
- http://files.hpawz.com/uploads/1/3/1/4/131437005/f469def4bba3fe3.pdf
- http://files.431775997417950473.com/uploads/1/3/2/6/132682646/ea99fe5713.pdf
- http://zubepoji.herohomeinspections.com/uploads/1/3/1/4/131437116/durovig_mufixaxi.pdf
- https://cdn.shopify.com/s/files/1/0433/0071/6694/files/40554125586.pdf
- https://cdn.shopify.com/s/files/1/0430/0832/7829/files/98430795645.pdf
- https://cdn.shopify.com/s/files/1/0434/6534/3133/files/lufufimapagi.pdf
- https://cdn.shopify.com/s/files/1/0431/5978/1538/files/xusuwijinolo.pdf
- https://cdn.shopify.com/s/files/1/0430/8670/8889/files/madabusoke.pdf
- https://cdn.shopify.com/s/files/1/0431/5647/1959/files/buxuvafunituje.pdf
- https://cdn.shopify.com/s/files/1/0429/6923/5619/files/pasar_de_a_word_gratis_y_rapido.pdf
- https://cdn.shopify.com/s/files/1/0436/1158/6722/files/activity_based_costing_journal_article.pdf
- https://cdn.shopify.com/s/files/1/0440/9524/2392/files/10316298436.pdf
- https://cdn.shopify.com/s/files/1/0431/8229/3141/files/wulituzi.pdf
- https://cdn.shopify.com/s/files/1/0432/5310/4790/files/noam_chomsky_universal_grammar.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/
- https://cdn.shopify.com/s/files/1/0431/8229/3
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064fe.bin3d6e654f78b46d64d34334d7705bada1bde10fc562216d9b4b50cadb4007e780 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64FE | 5060 bytes |
font_01_sfnt_off00007616.binae6ee1c511a0f9f7af02468e63f03e8a28b91a6e688d7499eef591c3676d057e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7616 | 10352 bytes |
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