MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains a large number of embedded links, a technique often used to create link farms for SEO manipulation or to distribute malicious content. One of the primary URLs, 'https://ttraff.ru/wix?keyword=consumer+reports+canister+vacuums+2017', is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to this URL and other PDF files, suggesting a coordinated effort to lure users to malicious sites.
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=consumer+reports+canister+vacuums+2017
- https://static.usrfiles.com/ugd/b8c837_11e581ef13624aa7a70b29450cc945d2.pdf
- https://static.usrfiles.com/ugd/4ae4db_130d2d57ed9347bc96237f6b36994f3e.pdf
- https://static.usrfiles.com/ugd/a2c2bc_7b7d8f3066c449c4a3835dd1415937c7.pdf
- https://static.usrfiles.com/ugd/868401_70713d1de6e54a918fbb6d279f846303.pdf
- https://cdn.shopify.com/s/files/1/0435/5715/9063/files/23179313304.pdf
- https://cdn.shopify.com/s/files/1/0429/7120/1695/files/dufesalepalarupimij.pdf
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/patofisiologi_angina_pektoris_tidak_stabil.pdf
- https://cdn.shopify.com/s/files/1/0434/9270/4408/files/51429487201.pdf
- https://cdn.shopify.com/s/files/1/0436/9632/4761/files/god_will_answer_quotes.pdf
- https://cdn.shopify.com/s/files/1/0430/7920/5018/files/fuwerugujijesagikajuwo.pdf
- https://cdn.shopify.com/s/files/1/0434/7278/1478/files/circuito_electrico.pdf
- https://cdn.shopify.com/s/files/1/0431/3615/5809/files/bishops_stortford_college_pre_prep_uniform.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/fiwizukeb.pdf
- https://cdn.shopify.com/s/files/1/0440/4104/4118/files/39544144024.pdf
- https://cdn.shopify.com/s/files/1/0438/1786/1280/files/bajabudodez.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_off000061ed.bin905d078564f8bcf8648e86ba8af55f358e352f57825406970c0c20c6ba2e60af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61ED | 5420 bytes |
font_01_sfnt_off0000744a.bin0be3ae694baf8ea0678ab013212bd61d27015a4b54b29997b9a41c6e28dfb6c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x744A | 12320 bytes |
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