MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and contains links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that points to a malicious redirector. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content.
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/wix?keyword=100+book+challenge+reading+log+sheet
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0440/8469/1094/files/happy_birthday_balloons_vector_free.pdf
- https://cdn.shopify.com/s/files/1/0432/5471/0427/files/university_of_colorado_boulder_campus_map.pdf
- https://cdn.shopify.com/s/files/1/0429/1851/0745/files/kolexetajol.pdf
- https://cdn.shopify.com/s/files/1/0430/4578/1658/files/xamixesebimidudaj.pdf
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/34893867336.pdf
- https://static.usrfiles.com/ugd/a76634_cede8904e9a44183aa01204436123c84.pdf
- https://static.usrfiles.com/ugd/0f5b72_b672ce923984443c8208012d02c1c617.pdf
- https://static.usrfiles.com/ugd/fd3290_662dcab5d3c64ee5bc019c453fc2bef6.pdf
- https://static.usrfiles.com/ugd/ce77c6_39acffe7f67447f6a0f9d0950b1d3eca.pdf
- https://static.usrfiles.com/ugd/ea9bdf_23ecb2ba3d5c4680862e653473843d3d.pdf
- https://static.usrfiles.com/ugd/b8c837_5ecbdfdbc4174a6387c801116fd50566.pdf
- https://static.usrfiles.com/ugd/0fdb6d_1123a88bcfca4cda95692c7aaed593af.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007a5a.bin521d1d374a25a6745c752c3ca566049a0630cdff9595d51ce4c1fe0415caeb54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A5A | 5292 bytes |
font_01_sfnt_off00008c2d.bin94993f496c4f5be6352c956defa3fa85a7e668ee55a7fe154b49d08bbbf242e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C2D | 10160 bytes |
font_02_sfnt_off0000aeff.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEFF | 4324 bytes |
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