MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body and heuristics indicate a lure to download a free PDF reader, which is a common social engineering tactic. The redirector URL, https://ttraff.cc/pify?keyword=baixar+pdf+acrobat+reader+gratis, is a strong indicator of malicious intent, likely leading to a further stage of infection.
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.cc/pify?keyword=baixar+pdf+acrobat+reader+gratis
- http://files.theironlions.com/uploads/1/3/2/6/132695325/73fbf408cfc5d72.pdf
- http://files.joyinthesmallthings.ca/uploads/1/3/1/0/131071067/241d60a860.pdf
- http://files.ruhlandmandolins.com/uploads/1/3/1/3/131398292/7b69559f3.pdf
- http://files.orrhotsprings.org/uploads/1/3/1/3/131380288/fekupokudesuwoze.pdf
- https://cdn.shopify.com/s/files/1/0431/1485/6610/files/initial_consonant_blends.pdf
- https://cdn.shopify.com/s/files/1/0429/9853/0202/files/jezesonogi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mipubafuminidumef.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/99090868127.pdf
- https://cdn.shopify.com/s/files/1/0431/3012/6496/files/79962879528.pdf
- https://cdn.shopify.com/s/files/1/0433/9472/8103/files/gijile.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49221060197.pdf
- https://cdn.shopify.com/s/files/1/0433/6982/4414/files/suvososuga.pdf
- https://cdn.shopify.com/s/files/1/0431/7839/3749/files/26422649328.pdf
- https://cdn.shopify.com/s/files/1/0439/1026/7035/files/79668078349.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/14192803693.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_off0000603a.bin3b5d2122d72ac1a28da3a86cbcc328309dfdca6f3ff469a9e681011cfc93579d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x603A | 5548 bytes |
font_01_sfnt_off00007330.bind46e6104f36157a0dbc7138296e217c56075d74d2808a8cc9ebf63ac08e4e544 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7330 | 11332 bytes |
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