MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, and one critical link to a known malicious redirector. This suggests a link farm or SEO poisoning tactic, potentially leading to phishing or malware distribution. 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.ru/pify?keyword=referencias+bibliograficas+de+internet+formato+apa
- http://files.abspate.com/uploads/1/3/0/8/130814534/8842399.pdf
- http://files.trevoultersouthdevons.com/uploads/1/3/0/8/130814208/vefejofewimupunilug.pdf
- http://dotap.emmaskline.com/uploads/1/3/0/7/130739615/vepese.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0429/3669/6995/files/amhran_na_bhfiann_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0436/4782/8118/files/metabolisme_karbohidrat_adalah.pdf
- https://cdn.shopify.com/s/files/1/0431/4474/1024/files/83639329159.pdf
- https://cdn.shopify.com/s/files/1/0434/5190/8249/files/percy_jackson_the_sea_of_monsters.pdf
- https://cdn.shopify.com/s/files/1/0435/0600/8216/files/tufulurasuguwip.pdf
- https://cdn.shopify.com/s/files/1/0432/1184/9892/files/dnd_5e_monster_list.pdf
- https://cdn.shopify.com/s/files/1/0429/1703/6198/files/44294508039.pdf
- https://cdn.shopify.com/s/files/1/0433/8047/4014/files/xerufop.pdf
- https://cdn.shopify.com/s/files/1/0434/8015/4269/files/73533881824.pdf
- https://cdn.shopify.com/s/files/1/0440/6303/1448/files/borders_railway_map.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006444.bin7f17de7e678f6b52e8ff4b9642dc1c656648079055c3e96f3014a6476a7e9690 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6444 | 5408 bytes |
font_01_sfnt_off00007683.bin7700dc2a1afd816f43d55548bfa2e22081fbb47235dfda16b577c0e2bfb53698 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7683 | 11312 bytes |
font_02_sfnt_off00009b82.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B82 | 4324 bytes |
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