MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=tutorial+microsoft+office+excel+2020+pdf'. This indicates the document's primary purpose is to redirect users to malicious content under the guise of a tutorial. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the embedded link and the document body's deceptive content strongly suggest a phishing or scam attempt.
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.com/pify?keyword=tutorial+microsoft+office+excel+2020+pdf
- http://files.hpeca.org/uploads/1/3/1/1/131164009/wexugajuwew.pdf
- http://files.healingfreedomkeepers.com/uploads/1/3/1/3/131381850/7101805.pdf
- http://dolamuna.chosenchow.com/uploads/1/3/1/4/131408899/ae42e1fe2dde.pdf
- https://cdn.shopify.com/s/files/1/0437/6789/0069/files/bjarne_stroustrup_c_4th_edition.pdf
- https://cdn.shopify.com/s/files/1/0431/8534/0580/files/fibevegusopakej.pdf
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/the_flash_s02e12_torrent.pdf
- https://cdn.shopify.com/s/files/1/0430/3981/7890/files/21837824726.pdf
- https://cdn.shopify.com/s/files/1/0437/0278/0057/files/tnvipsuite_play_it_again.pdf
- https://cdn.shopify.com/s/files/1/0434/3123/1655/files/carrie_a_estranha_minhateca.pdf
- https://cdn.shopify.com/s/files/1/0437/2758/5430/files/naxelani.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vewurobafug.pdf
- https://cdn.shopify.com/s/files/1/0429/5848/7703/files/direct_calorimetry.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_off00007e6a.bin3c6ebd20b3a807441d2a0cd2af050febfa29aa652ba0d840722403c38f00665a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E6A | 5592 bytes |
font_01_sfnt_off0000915a.bin86e901bb46074e4e675af3a63b65ca3a48e78dc391eef3e7ed6fdba65264221c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x915A | 10208 bytes |
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