MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, indicative of a link farm. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=libro+a+trav%25C3%25A9s+de+la+biblia+pdf', suggesting this PDF is part of a campaign to distribute malicious content or manipulate search results. The ML classifier also strongly flagged this PDF as malicious.
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=libro+a+trav%25C3%25A9s+de+la+biblia+pdf
- http://putiragul.boothfolio.com/uploads/1/3/0/8/130874416/ripawenim-zedoniduput-buwawa-vujokosesagu.pdf
- http://tusawo.selfexposed.co/uploads/1/3/1/1/131164312/mexixudadamoro.pdf
- http://files.hawksdrama.com/uploads/1/3/1/3/131398242/c146c.pdf
- https://cdn.shopify.com/s/files/1/0436/2308/8290/files/lozofararinir.pdf
- https://cdn.shopify.com/s/files/1/0428/0582/1599/files/47790394223.pdf
- https://cdn.shopify.com/s/files/1/0437/0874/3835/files/rikosejolaretugugarilev.pdf
- https://cdn.shopify.com/s/files/1/0438/4237/1741/files/zulomisamirema.pdf
- https://cdn.shopify.com/s/files/1/0432/3459/0878/files/writing_english_language_test.pdf
- https://cdn.shopify.com/s/files/1/0440/1060/2661/files/afi_23_201.pdf
- https://cdn.shopify.com/s/files/1/0429/8863/4263/files/zafawulukivekuzesidas.pdf
- https://cdn.shopify.com/s/files/1/0430/5901/9933/files/24491328203.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tadigepulimo.pdf
- https://cdn.shopify.com/s/files/1/0434/3640/8982/files/birch_tree_minecraft.pdf
- https://cdn.shopify.com/s/files/1/0431/7885/2507/files/xitoxetafixezu.pdf
- https://cdn.shopify.com/s/files/1/0433/2083/6254/files/jekegabakadarinebu.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_off00005d8d.bin309b38139b183ad7645ad0fcdf8333d5cf58f6b4717dc72b4791d9b53be6c6ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D8D | 5320 bytes |
font_01_sfnt_off00006f71.bin64238c4a81e580b5fb415f145e8b5563856904dc5ef645bef2807dd2f895f9be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F71 | 11836 bytes |
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