MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=upfront+quiz+answers+march+11+2019'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including 'http://dapefa.utahstudentnurse.org/uploads/1/3/1/4/131438304/vezoziwofu-nobizobenofusu.pdf'. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains the same redirector URL, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.me/wix?keyword=upfront+quiz+answers+march+11+2019
- http://dapefa.utahstudentnurse.org/uploads/1/3/1/4/131438304/vezoziwofu-nobizobenofusu.pdf
- http://files.kamalfashionuk.co.uk/uploads/1/3/1/3/131379980/3579548.pdf
- http://files.ceramirdental.com/uploads/1/3/0/7/130775732/6048785.pdf
- http://paxavewov.ot4wellness.com/uploads/1/3/1/8/131872144/67e48b1b5ab7.pdf
- https://cdn.shopify.com/s/files/1/0429/8627/4967/files/cheeky_crossword_answer.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6505/files/98006879419.pdf
- https://cdn.shopify.com/s/files/1/0433/3495/9256/files/kujaw.pdf
- https://cdn.shopify.com/s/files/1/0429/9702/2879/files/pathophysiology_of_hepatitis_c.pdf
- https://cdn.shopify.com/s/files/1/0434/0921/1559/files/rojiponazavefa.pdf
- https://cdn.shopify.com/s/files/1/0437/8548/6485/files/78221595524.pdf
- https://cdn.shopify.com/s/files/1/0437/7827/7525/files/doctor_strange_watch_online.pdf
- https://cdn.shopify.com/s/files/1/0435/5738/8440/files/94832195879.pdf
- https://cdn.shopify.com/s/files/1/0431/0574/7108/files/1109303948.pdf
- https://cdn.shopify.com/s/files/1/0435/4359/3109/files/88919069190.pdf
- https://cdn.shopify.com/s/files/1/0435/4329/8207/files/minecraft_pocket_edition_apk_free_mobogenie.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_off0000a39b.bin3bf072dd1f9724c20e22c997c3420eb2d31439e7f65951c47626cdd752f0dd3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA39B | 5964 bytes |
font_01_sfnt_off0000b7e8.bine4613c5a26cb364391eb23b747d322d6318a247e31294991114231a1a580e328 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7E8 | 10276 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.