MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=abeka+arithmetic+3+pdf'. The ML classifier also strongly flagged this PDF as malicious. The presence of numerous links, including a malicious redirector, suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=abeka+arithmetic+3+pdf
- http://files.krislibrary.com/uploads/1/3/0/7/130740442/1fda0f35313.pdf
- http://files.senkohrs.com/uploads/1/3/0/9/130969657/1737241.pdf
- http://files.birthbabiesbeyond.com/uploads/1/3/0/7/130739949/fcfc17e.pdf
- http://files.freedomdolphindiving.com/uploads/1/3/1/0/131071067/1443019.pdf
- https://cdn.shopify.com/s/files/1/0432/1188/2653/files/ziteloxevabixi.pdf
- https://cdn.shopify.com/s/files/1/0432/6971/8172/files/fisanisujobagegenuboz.pdf
- https://cdn.shopify.com/s/files/1/0436/0211/6772/files/wulijoduwunogot.pdf
- https://cdn.shopify.com/s/files/1/0433/7369/1045/files/convertidor_catalitico.pdf
- https://cdn.shopify.com/s/files/1/0440/2823/1830/files/application_letter_for_teaching_position.pdf
- https://cdn.shopify.com/s/files/1/0435/4641/1160/files/how_to_convert_file_to_word_on_macbook_pro.pdf
- https://cdn.shopify.com/s/files/1/0435/9146/7176/files/21963672222.pdf
- https://cdn.shopify.com/s/files/1/0437/6435/1130/files/55394374264.pdf
- https://cdn.shopify.com/s/files/1/0428/2017/3983/files/the_essential_keto_cookbook_free_download.pdf
- https://cdn.shopify.com/s/files/1/0434/8595/4198/files/xupaxaxisobuvolosi.pdf
- https://cdn.shopify.com/s/files/1/0432/6667/0745/files/nujinudiporidodupikit.pdf
- https://cdn.shopify.com/s/files/1/0437/5651/9576/files/77580286718.pdf
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/komenuj.pdf
- https://cdn.shopify.com/s/files/1/0439/1796/7528/files/android_bluetooth_spp_example.pdf
- https://cdn.shopify.com/s/files/1/0432/3203/4980/files/9193326417.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/1/0437/6435/1130/files/55
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d90.bin23b66810c6a6e3e8730cd4d11d2dc79b4043a0280682207ac57e1078c1faa81a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D90 | 5540 bytes |
font_01_sfnt_off0000703e.binbb07ba03a0169311fde7eef9e36562429d238afc28d1f56e15fcdf7ad7821413 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x703E | 10216 bytes |
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