MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. This behavior is indicative of a link farm or SEO poisoning attack, designed to drive traffic to malicious infrastructure. 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.com/pify?keyword=pintura+acrilica+blanca+manualidades
- http://files.iwstreecare.com/uploads/1/3/2/7/132740479/wogupu-zukokitoruwogog-zikezugufada-pubuzesilas.pdf
- http://nisuji.dreamartist.studio/uploads/1/3/1/6/131606490/7644498.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1402562920.pdf
- https://cdn.shopify.com/s/files/1/0434/4777/9494/files/rider_waite_tarot_deck.pdf
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/litise.pdf
- https://cdn.shopify.com/s/files/1/0429/5373/6351/files/50460324616.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/77160317291.pdf
- https://cdn.shopify.com/s/files/1/0431/5293/3020/files/dozud.pdf
- https://cdn.shopify.com/s/files/1/0433/8017/9109/files/telugu_bible_stories_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/9076/3175/files/westlife_swear_it_again_lyrics_video.pdf
- https://cdn.shopify.com/s/files/1/0431/2278/6466/files/espn_wil_myers.pdf
- https://cdn.shopify.com/s/files/1/0433/6500/7509/files/cabala_libro.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6166/files/98798792840.pdf
- https://cdn.shopify.com/s/files/1/0434/6085/3912/files/50805708850.pdf
- https://cdn.shopify.com/s/files/1/0434/3096/9511/files/zuvijijasovixisevet.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_off000057db.bin997fd8befe8197fd0bd7e649f743055fb1781fc14aa748ec0ad0760c5a791e1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57DB | 5228 bytes |
font_01_sfnt_off00006978.bin2e97c051ad3049b13592dd051fa2ed8eabdfae2e842d6393749cbd7ba5e52c1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6978 | 11164 bytes |
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