MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=vejigantes+obra+pdf'. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=vejigantes+obra+pdf
- http://files.studio10collective.com/uploads/1/3/2/8/132815054/2277147.pdf
- http://files.youthinequalityjustice.org/uploads/1/3/1/4/131407968/067e12a8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/3329/6028/files/complexity_journal.pdf
- https://cdn.shopify.com/s/files/1/0428/8079/4790/files/mukoworazaniwadip.pdf
- https://cdn.shopify.com/s/files/1/0438/3080/4637/files/64391189671.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/64989875230.pdf
- https://cdn.shopify.com/s/files/1/0438/1684/5469/files/1974554829.pdf
- https://cdn.shopify.com/s/files/1/0448/2200/3872/files/4th_grade_math_vocabulary_words.pdf
- https://cdn.shopify.com/s/files/1/0431/1403/7397/files/black_sheep_cycling_size_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/9925/0072/files/48771997565.pdf
- https://cdn.shopify.com/s/files/1/0437/3600/6810/files/sekij.pdf
- https://cdn.shopify.com/s/files/1/0430/8120/3861/files/8176504206.pdf
- https://cdn.shopify.com/s/files/1/0440/4668/0214/files/13307987219.pdf
- https://cdn.shopify.com/s/files/1/0440/1342/0702/files/aleister_crowley_books.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004347.bin7f90f9fd960b5797e3699f0ccbcb26b0a095280678e8c1fd7a08896fc54cd736 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4347 | 5356 bytes |
font_01_sfnt_off00005591.binb7d43b38af4d458f8cd70b8c1a26ff509c6641df124ea135b2d0aac407fec8fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5591 | 9564 bytes |
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