MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The embedded document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wb?keyword=education%20at%20a%20glance%202018%20pdf', which is flagged as malicious. This suggests the document's primary purpose is to redirect users to malicious infrastructure, 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/wb?keyword=education%20at%20a%20glance%202018%20pdf
- http://files.foreverhorsecrazy.com/uploads/1/3/0/8/130813818/wedikeveb_xekebarigos_melujirudojo_rinew.pdf
- http://files.olympiaindivisible.com/uploads/1/3/0/7/130776206/2296091.pdf
- https://cdn.shopify.com/s/files/1/0432/8125/2512/files/vocabulary_accounting_and_finance.pdf
- https://cdn.shopify.com/s/files/1/0435/1007/1460/files/87888020223.pdf
- https://cdn.shopify.com/s/files/1/0437/1569/0650/files/liraxesimuxidimamiba.pdf
- https://cdn.shopify.com/s/files/1/0430/7222/5442/files/48380215456.pdf
- https://cdn.shopify.com/s/files/1/0449/8512/2984/files/canarios_classical_guitar.pdf
- https://cdn.shopify.com/s/files/1/0431/9238/5700/files/jarotaminamavito.pdf
- https://cdn.shopify.com/s/files/1/0433/3407/4523/files/mibizokutanivufalodabuli.pdf
- https://cdn.shopify.com/s/files/1/0434/6891/4838/files/27637037228.pdf
- https://cdn.shopify.com/s/files/1/0432/0120/0289/files/6246872902.pdf
- https://cdn.shopify.com/s/files/1/0435/4883/6004/files/ne_yo_addicted.pdf
- https://cdn.shopify.com/s/files/1/0431/0397/7634/files/remove_duplicates_from_linked_list_python.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_off00007abf.bin2ac745d3e72d770a47fea240455b751bd0b397b6023dbb689e75a1a45cde9312 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ABF | 5524 bytes |
font_01_sfnt_off00008da3.binddb85de57882c3d998642e08215dfd387c6dadc65c918bcfdec84a7cddf73799 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DA3 | 10716 bytes |
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