MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=takotsubo+cardiomyopathy+pdf'. This URL is likely used to direct the user to a malicious site. The document also contains a large number of external PDF links, many hosted on Shopify, which is flagged as a link farm. The ML classifier strongly indicates maliciousness.
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=takotsubo+cardiomyopathy+pdf
- http://files.esoterichealing.com/uploads/1/3/0/7/130775346/4641610.pdf
- http://files.lifeadvice.co.nz/uploads/1/3/2/7/132740423/vubega.pdf
- http://wenag.lucycoker.com/uploads/1/3/0/7/130776407/047a0180.pdf
- https://cdn.shopify.com/s/files/1/0434/3231/2994/files/39853498173.pdf
- https://cdn.shopify.com/s/files/1/0435/7432/9507/files/rewibob.pdf
- https://cdn.shopify.com/s/files/1/0433/9764/4449/files/bengali_letter_writing_book.pdf
- https://cdn.shopify.com/s/files/1/0430/3667/2162/files/bajilesavovusumota.pdf
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/fifosewaxupipapa.pdf
- https://cdn.shopify.com/s/files/1/0430/0305/2191/files/68296788789.pdf
- https://cdn.shopify.com/s/files/1/0433/9331/9079/files/64853812087.pdf
- https://cdn.shopify.com/s/files/1/0427/7298/8071/files/74362072263.pdf
- https://cdn.shopify.com/s/files/1/0437/7185/5002/files/kayla_itsines_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/8501/2900/files/wejenuxixisozer.pdf
- https://cdn.shopify.com/s/files/1/0432/2846/3271/files/17996240589.pdf
- https://cdn.shopify.com/s/files/1/0432/0965/4434/files/rosowazet.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e281.bincf4dbd022228f8f1231414274499287f305d9bd8678b6cd6d0df1f3c0215d097 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE281 | 5276 bytes |
font_01_sfnt_off0000f475.bin9a44f25adbb96f8765102bdfc24dfd604a93f3dfba5a603750cf416fe8f3c01a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF475 | 10404 bytes |
font_02_sfnt_off00011808.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11808 | 4324 bytes |
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