MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of a link farm designed to improve search engine ranking or obscure malicious destinations. One critical heuristic firing indicates a direct link to a known malicious redirector, ttraff.cc, which is further disguised with a 'must read books 2020 pdf' keyword. This suggests the document's primary purpose is to redirect users to malicious content through a chain of links.
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.cc/pify?keyword=must+read+books+2020+pdf
- http://jovupeje.sylviezannier.com/uploads/1/3/1/6/131606289/zilumun.pdf
- http://files.christourredeemerlcms.org/uploads/1/3/0/7/130775704/tevez.pdf
- http://files.habitualroots.com/uploads/1/3/2/6/132683264/netubevim.pdf
- http://files.fcskids.com/uploads/1/3/1/8/131871704/9448a7023e2aa11.pdf
- http://nesewixiw.stuntworxelite.com/uploads/1/3/2/6/132683328/fosajarewipokosit.pdf
- https://cdn.shopify.com/s/files/1/0437/4953/9989/files/gungeon_double_vision.pdf
- https://cdn.shopify.com/s/files/1/0433/9502/3013/files/nebuwaj.pdf
- https://cdn.shopify.com/s/files/1/0433/1329/9620/files/11th_maths_book_download.pdf
- https://cdn.shopify.com/s/files/1/0427/6197/8023/files/97670467327.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/71482320097.pdf
- https://cdn.shopify.com/s/files/1/0434/5951/0425/files/skyward_sword_gratitude_crystals.pdf
- https://cdn.shopify.com/s/files/1/0431/8052/3681/files/86777042474.pdf
- https://cdn.shopify.com/s/files/1/0432/5982/2243/files/sotifufex.pdf
- https://cdn.shopify.com/s/files/1/0438/1750/0834/files/48885770829.pdf
- https://cdn.shopify.com/s/files/1/0435/9897/1038/files/84582675166.pdf
- https://cdn.shopify.com/s/files/1/0432/6758/8252/files/fluke_linkrunner_at_2000_manual.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076f7.bind0acd0ba65d45f04b3940ca75a50551c8d8c21f6088d04b332c5db70fbf21c71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F7 | 5212 bytes |
font_01_sfnt_off000088c2.binb0e92db8266cae6ec48f66852407aef40402587b09e00ae2ca47441614a20ad0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88C2 | 10732 bytes |
font_02_sfnt_off0000ad3b.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD3B | 4324 bytes |
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