MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs and a visual download button, all pointing towards a malicious redirector. The ML classifier strongly indicates maliciousness, and the presence of a link farm suggests an attempt to distribute malicious content or phishing lures. The document body, though corrupted, contains a URL that is also present in the heuristics, indicating a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=elizabeth+bathory+biography+pdf In PDF document text
- http://files.argonautcoffeeleavenworth.com/uploads/1/3/1/1/131163740/f1cf8426eba5bbf.pdfIn PDF document text
- http://files.theventure.blog/uploads/1/3/1/6/131606923/2826909.pdfIn PDF document text
- http://runafo.vance-smith.com/uploads/1/3/2/6/132680813/koxisuvutonuxi.pdfIn PDF document text
- http://files.theworcshop.com/uploads/1/3/1/6/131607075/2ba0088e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1898/3323/files/xasifutituxob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6127/2983/files/77579206304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1184/1949/files/46868346560.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6887/5157/files/58771920097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4906/6397/files/bafoxijefesavoron.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1739/5614/files/zanusomewatijavegusufor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2677/6227/files/gojowodalaxovetog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4473/2065/files/vatipaxazaxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/581871399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1238/2116/files/toxerorisiwixazonekifudub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6493/4043/files/teroguxetesuratakefokunez.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000771d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x771D | 5372 bytes |
SHA-256: ff5da5ed80a59db35ab3788595443f20cfa08cff77b838098e8a0fa5ecfcc99a |
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font_01_sfnt_off0000896f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x896F | 10552 bytes |
SHA-256: 3e587b63bd78cceeba420b86b0fc68db7a77a3e5505eb68812777e4dd32b294a |
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font_02_sfnt_off0000adbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADBD | 16836 bytes |
SHA-256: 4c9c956035e1b35084c6f87549d47a5dda4d93aa4b9aa3c0579ecbf9e21a3250 |
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