MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic identifying it as a malicious redirector link farm. The primary malicious URL, https://ttraff.ru/pify?keyword=constitution+brazil+english+pdf, is designed to redirect users to further malicious content. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the extensive link farm suggests a phishing or malware distribution attempt.
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/pify?keyword=constitution+brazil+english+pdf
- http://files.scrimsmustangclassicyamahadtrestoration.com/uploads/1/3/1/6/131637178/xisurewunatu_xivit.pdf
- http://files.katesmathlessons.com/uploads/1/3/1/4/131454850/3fafc47585f652.pdf
- http://files.dotyhilldesigns.com/uploads/1/3/0/7/130739204/xepawinujudosilasaf.pdf
- http://files.uaphialphadelta.com/uploads/1/3/0/7/130738841/36b0ccaba1b1b.pdf
- https://cdn.shopify.com/s/files/1/0430/4925/5061/files/fifopisimiwija.pdf
- https://cdn.shopify.com/s/files/1/0431/0981/0327/files/learning_of_excel.pdf
- https://cdn.shopify.com/s/files/1/0433/3400/8987/files/catecismo_de_la_iglesia_catolica_vaticano.pdf
- https://cdn.shopify.com/s/files/1/0430/2422/0321/files/xojotumimemofa.pdf
- https://cdn.shopify.com/s/files/1/0427/8370/3206/files/65137287446.pdf
- https://cdn.shopify.com/s/files/1/0432/6568/7717/files/31167757584.pdf
- https://cdn.shopify.com/s/files/1/0433/4744/3865/files/repajubep.pdf
- https://cdn.shopify.com/s/files/1/0432/8800/2710/files/goanimate_comedy_world.pdf
- https://cdn.shopify.com/s/files/1/0430/0318/3258/files/binopivugap.pdf
- https://cdn.shopify.com/s/files/1/0429/7146/3831/files/vigisefatomalivuruguverem.pdf
- https://cdn.shopify.com/s/files/1/0440/0375/4142/files/tcfp_fido_login.pdf
- https://cdn.shopify.com/s/files/1/0429/5403/1270/files/54908682041.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_off00007bee.bin647bee2bbf4e7c9fdbeb030e583ce64b73e0b3da72c1e773b0a90560ee4f703c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BEE | 5400 bytes |
font_01_sfnt_off00008e3d.bin56a16f303ec3a556be8f8f21a0e7d546bad19c2f5203ba665761fb68d7e566c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E3D | 9848 bytes |
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