MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm and a redirector URL, indicating an attempt to lead the user to malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external links suggests a campaign to distribute further payloads or engage in phishing. No scripts were extracted, but the primary attack vector appears to be the embedded malicious URL.
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=calendario+formula+1+2020+orari+tv+pdf
- http://files.shhschoir.org/uploads/1/3/0/8/130873893/mokefibegepamef.pdf
- http://files.greentreeassociation.com/uploads/1/3/0/7/130740517/koxoke-xunigex-titenowesubi.pdf
- http://buwonep.streetash.com/uploads/1/3/1/0/131070152/pajezevoja_pepijejuwaruwif.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6482/7805/files/duxebovo.pdf
- https://cdn.shopify.com/s/files/1/0437/6081/2190/files/sutenepaw.pdf
- https://cdn.shopify.com/s/files/1/0434/7114/3078/files/4003154124.pdf
- https://cdn.shopify.com/s/files/1/0429/7300/3939/files/corso_italiano.pdf
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/bupuzepikogu.pdf
- https://cdn.shopify.com/s/files/1/0437/7424/7069/files/sojujutelefizugom.pdf
- https://cdn.shopify.com/s/files/1/0435/1698/5503/files/45062315723.pdf
- https://cdn.shopify.com/s/files/1/0435/7731/1395/files/barangay_clearance_form.pdf
- https://cdn.shopify.com/s/files/1/0434/6108/3301/files/79538827424.pdf
- https://cdn.shopify.com/s/files/1/0439/2324/3176/files/ccrn_review.pdf
- https://cdn.shopify.com/s/files/1/0439/7717/9294/files/rufozulupefusoliluxapamu.pdf
- https://cdn.shopify.com/s/files/1/0433/6202/5624/files/warband_tax_inefficiency.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_off00006c5f.bin847f8a4bf451b41e3135bd2599f1cca84611c704c1054b52873ad929431ac1d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C5F | 5300 bytes |
font_01_sfnt_off00007e5a.bin0c574792c1a805e8315150ec79f948a68d2a67acb6002ad44e61ea472bad3cc0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E5A | 10940 bytes |
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