MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains embedded links and text that direct the user to click on a URL disguised as a prompt to 'Open pdf in paint'. This URL, https://ttraff.com/pify?keyword=open+pdf+in+paint, is identified as a malicious redirector. The document also contains a large number of links to other PDFs, suggesting a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier strongly flagged this PDF as malicious, and the SE_CLICKFIX heuristic indicates social engineering to bypass macro restrictions.
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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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=open+pdf+in+paint In PDF document text
- http://files.fun-tasticfoxes.com/uploads/1/3/2/6/132680931/zodisajutizik.pdfIn PDF document text
- http://files.spiritualresearchnetwork.org/uploads/1/3/0/8/130874642/4515940.pdfIn PDF document text
- http://files.elephantroomgallery.com/uploads/1/3/1/3/131380480/mabifazimenukowu.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/1/0434/2022/1607/files/17971999548.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8631/5682/files/60073776401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7373/2768/files/58741690678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3405/7621/files/lomomobagogutosotamavixa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9656/4131/files/29233034625.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/97889950460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4489/6917/files/koxoxipawomimujejen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5216/2462/files/dirudexigetekanakuvozebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5627/5360/files/26928454977.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3443/4969/files/16480574712.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_off00006ef6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EF6 | 4756 bytes |
SHA-256: 1c550e0493595dab3130afc78d68d87a594f28170afd683bf526c1e0b008bb66 |
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font_01_sfnt_off00007f3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F3B | 10712 bytes |
SHA-256: 243ae1eba581d39959ee9aa2bbf7dac1d29f7bf9f72fd4d96ce0fa38561fd673 |
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font_02_sfnt_off0000a3fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3FD | 16116 bytes |
SHA-256: 2ec7b87bc56cc33d32d243ecb23d136f13b6601874843951a4ee16d7972f48d9 |
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