MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text that appears to be a title related to a book summary, likely serving as a lure. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or content-spinning operation designed to attract search engine traffic and distribute malicious 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.com/pify?keyword=resumo+do+livro+carcereiros+pdf
- http://files.creeksideband.com/uploads/1/3/1/3/131384789/3301404.pdf
- http://files.teaspoonsofgrace.com/uploads/1/3/2/6/132682768/7021848.pdf
- http://files.assistancedogs4all.org/uploads/1/3/0/7/130775372/vamuwigoti-worokuvofune-garopefagoxug-juvawese.pdf
- http://files.ukprestigeproducts.com/uploads/1/3/1/3/131398194/gosisobaj-ludufanumex-wiburonesiti-vewabovuti.pdf
- http://files.ukprestigeproducts.com/uploads/1/3/1/3/131398194/gosisobaj-ludufanumex-wiburonesiti-vewabovut
- https://cdn.shopify.com/s/files/1/0430/0367/4785/files/27860930166.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4013/files/pegaliforabukij.pdf
- https://cdn.shopify.com/s/files/1/0435/6676/0095/files/nozuwokufuliruzuxiwa.pdf
- https://cdn.shopify.com/s/files/1/0428/2567/9015/files/90643315438.pdf
- https://cdn.shopify.com/s/files/1/0430/1222/7225/files/kuzoxo.pdf
- https://cdn.shopify.com/s/files/1/0434/4964/7271/files/40601391215.pdf
- https://cdn.shopify.com/s/files/1/0430/6596/6741/files/65444167648.pdf
- https://cdn.shopify.com/s/files/1/0430/5669/3397/files/saxakowa.pdf
- https://cdn.shopify.com/s/files/1/0434/8706/8322/files/41494119454.pdf
- https://cdn.shopify.com/s/files/1/0433/6071/4904/files/mukuzigi.pdf
- https://cdn.shopify.com/s/files/1/0435/4726/3131/files/fogomiwivemisefegobeb.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_off00007356.bin6adef9ed01e89cad62c35efd0730fe84c96678751ac4f76cdb2e1ede69d865ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7356 | 5064 bytes |
font_01_sfnt_off00008499.bindd06e29bf4a3224bde5ec183264399c2e8a940e090428ab8cf8dd9010b4bf8da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8499 | 12404 bytes |
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