MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of a malicious redirector URL points to an attempt to lure users to harmful 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.ru/wix?keyword=christmas+acapella+songs+free
- https://cdn.shopify.com/s/files/1/0432/7201/1941/files/gawininosidim.pdf
- https://cdn.shopify.com/s/files/1/0427/8226/1415/files/body_building_status_videos.pdf
- https://cdn.shopify.com/s/files/1/0433/5468/5599/files/class_and_object_in_python.pdf
- https://cdn.shopify.com/s/files/1/0434/9689/8724/files/61724457347.pdf
- https://cdn.shopify.com/s/files/1/0437/5497/9477/files/arcgis_pro_training_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/3328/8088/files/wutakasu.pdf
- https://cdn.shopify.com/s/files/1/0431/5381/7749/files/industrial_revolution_inventions_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0435/6302/4547/files/liruwiwokadinubedogosij.pdf
- https://cdn.shopify.com/s/files/1/0435/8271/8107/files/gate_valve_dimensions.pdf
- https://cdn.shopify.com/s/files/1/0428/9848/9503/files/angular_html_script_template.pdf
- https://static.usrfiles.com/ugd/de02f3_aba7acd174f9437aa75c7a26af357208.pdf
- https://static.usrfiles.com/ugd/ea5d7b_effd7d31968943f38fd9c77e1e711f60.pdf
- https://static.usrfiles.com/ugd/b8c837_9189c0d0b57d498f90bb808ddc05231a.pdf
- https://static.usrfiles.com/ugd/e3ed1f_f892cefca882477997f9682753c13b0b.pdf
- https://static.usrfiles.com/ugd/b8c837_4b36690e44f14102b07a6aeeb259cabf.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_off000059cc.bin405190e8c5d684390665ecbb4c6fddf30d3abdc40f523fdd6512561e56ac0af9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59CC | 5332 bytes |
font_01_sfnt_off00006bbb.bin8df39eaba9a487919b441e15edf682c07e735c3c36b648a041d0c528bade0022 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BBB | 13600 bytes |
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