MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'cirrose hep ica pdf' and the malicious URL, suggesting a lure to a site that likely hosts further malicious content or phishing pages. The ML classifier strongly flagged this PDF as malicious.
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.ru/pify?keyword=cirrose+hep%25C3%25A1tica+pdf
- http://files.gjsparklemepretty.com/uploads/1/3/0/7/130775441/7407810.pdf
- http://keref.mnleu.org/uploads/1/3/1/4/131407818/pupuwilez-siwedosaxez-zizamexa.pdf
- http://files.downingtownswimacademy.com/uploads/1/3/1/4/131453219/b58539fa67b0289.pdf
- https://cdn.shopify.com/s/files/1/0433/7329/7814/files/59284425675.pdf
- https://cdn.shopify.com/s/files/1/0432/3095/3630/files/84641828113.pdf
- https://cdn.shopify.com/s/files/1/0430/9562/1786/files/fudabonemi.pdf
- https://cdn.shopify.com/s/files/1/0429/9754/7157/files/nidiwobavolidesagivoni.pdf
- https://cdn.shopify.com/s/files/1/0434/1995/9463/files/accidente_cerebrovascular.pdf
- https://cdn.shopify.com/s/files/1/0435/2396/5079/files/divuliz.pdf
- https://cdn.shopify.com/s/files/1/0433/4383/9385/files/classification_of_congestive_heart_failure.pdf
- https://cdn.shopify.com/s/files/1/0429/9636/7511/files/53305174767.pdf
- https://cdn.shopify.com/s/files/1/0431/8907/6117/files/98177929572.pdf
- https://cdn.shopify.com/s/files/1/0433/9043/5495/files/kudebazizofinaxuraw.pdf
- https://cdn.shopify.com/s/files/1/0431/8186/7176/files/renograma_con_captopril.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_off00005c6c.bin500c8f157fd80989df20fcac2cf24eb583c835a4dad38492b377f0b903f11058 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C6C | 5352 bytes |
font_01_sfnt_off00006e09.bin7bae4a1475110f3fad8c8025f8dc40ec8e8a6bc8744f3d0eeaf6e50c645cd39d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E09 | 10656 bytes |
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