MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to a redirector service. The document body, though heavily obfuscated, contains a URL that leads to a redirector. This indicates a likely attempt to drive traffic to malicious sites, possibly for phishing or malware distribution. No scripts were extracted, and the primary malicious activity is the link farm.
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=bilinear+transformation+definition+in+maths
- http://files.passport2pain.com/uploads/1/3/0/7/130738701/kerigidixobu-tokumurupoj-jofamabum.pdf
- http://files.mkquilts.com/uploads/1/3/1/4/131408439/lizigukoxo.pdf
- http://files.hapasolutions.com/uploads/1/3/1/3/131398449/4ad02270e.pdf
- http://files.unalomesoapscandles.net/uploads/1/3/1/3/131379946/fenopoj.pdf
- http://files.wrapitexpress.com/uploads/1/3/1/4/131438389/mojunubikiroda.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/40896164695.pdf
- https://cdn.shopify.com/s/files/1/0439/5961/5646/files/83569682782.pdf
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/11987648716.pdf
- https://cdn.shopify.com/s/files/1/0433/0808/9509/files/jose_maria_arguedas_mitos_leyendas_y_cuentos_peruanos.pdf
- https://cdn.shopify.com/s/files/1/0435/4349/4815/files/15301287630.pdf
- https://cdn.shopify.com/s/files/1/0433/1431/5422/files/18253907635.pdf
- https://cdn.shopify.com/s/files/1/0432/6568/7717/files/13528528549.pdf
- https://cdn.shopify.com/s/files/1/0431/4411/8434/files/candle_in_the_wind_sheet_music_free.pdf
- https://cdn.shopify.com/s/files/1/0429/1251/4201/files/zamofumi.pdf
- https://cdn.shopify.com/s/files/1/0434/4948/3420/files/how_to_upgrade_chrome.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_off000045d5.bin5396b9ec71604416b8ba1662099238d01c2b60aa1697f16a743ee43d2ce2ddf3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45D5 | 5196 bytes |
font_01_sfnt_off00005744.bin31b20a793345f99a12bbc1e2e1b796814285e6f7f35fcefee0c4a8c75dc694a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5744 | 9888 bytes |
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