MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=fcna+aiims+full+form', which is also flagged as malicious. The presence of a large number of external PDF links suggests a link farm or SEO poisoning attempt, aiming to drive traffic to malicious sites.
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=fcna+aiims+full+form
- http://xowinubi.andrewbarnettjones.com/uploads/1/3/0/7/130774993/wilok_rutivakigixugo_zumef.pdf
- http://raxidal.empathtoorder.com/uploads/1/3/1/3/131383373/a992d58.pdf
- https://cdn.shopify.com/s/files/1/0431/6535/2093/files/79457301254.pdf
- https://cdn.shopify.com/s/files/1/0444/7030/4935/files/limp_bizkit_break_stuff._mp3.pdf
- https://cdn.shopify.com/s/files/1/0431/6574/5314/files/free_western_movies_online.pdf
- https://cdn.shopify.com/s/files/1/0440/5175/9269/files/physiology_of_microorganisms.pdf
- https://cdn.shopify.com/s/files/1/0431/9684/2142/files/runisorematizovo.pdf
- https://cdn.shopify.com/s/files/1/0434/9699/7030/files/nifekegivedob.pdf
- https://cdn.shopify.com/s/files/1/0435/8186/6143/files/penejodifofapulujejumo.pdf
- https://cdn.shopify.com/s/files/1/0435/9382/6463/files/1431499763.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066c9.bin4c4cdf78af75fed96dbc04fcf41eb699009b5710f978e14927354f9cd0253d70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66C9 | 4980 bytes |
font_01_sfnt_off00007799.bin69e1c1fc1fe715b3eb4b38ee6ca7d438100532b56fb1ece00e3981d9a6afd2cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7799 | 10228 bytes |
font_02_sfnt_off00009ae4.bin6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AE4 | 16164 bytes |
font_03_sfnt_off0000b035.bin62ba79f831eceb7fbc253ffc82f6b944733ba62e372a72bf40f6c7b56f3d4d60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB035 | 5764 bytes |
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