MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting a lure related to 'Helicobacter pylori treatment' and includes the malicious redirector URL. The PDF_SEO_LINK_FARM heuristic further suggests a pattern of generating numerous links, likely for SEO poisoning or to distribute malicious content.
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.club/pify?keyword=helicobacter+pylori+tratamiento+2018+pdf
- https://cdn.shopify.com/s/files/1/0433/8217/7946/files/vuwipabil.pdf
- https://cdn.shopify.com/s/files/1/0443/2547/0364/files/durga_saptashati_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0429/7513/3859/files/87994447930.pdf
- https://cdn.shopify.com/s/files/1/0428/2990/6079/files/zipukaleguterelunebabe.pdf
- https://static.usrfiles.com/ugd/4b874d_3e88917b2b7344fb8ddd6fd9c2246dc5.pdf
- https://static.usrfiles.com/ugd/b56239_925d7002486b446e854573d929a231ed.pdf
- https://static.usrfiles.com/ugd/8ba634_3262a66e5a3d4e8ba0a0ac2035d57dd9.pdf
- https://static.usrfiles.com/ugd/d4c4cf_c429513b847f4437b7ab9fa20ac0e22a.pdf
- https://static.usrfiles.com/ugd/345929_7806576f3dcb412083441a70d321b8dd.pdf
- https://static.usrfiles.com/ugd/0a0016_7c9fa63ad87b494bb4138d3233b70c1d.pdf
- https://cdn.shopify.com/s/files/1/0434/4922/1281/files/precalculus_7th_edition_answers.pdf
- https://cdn.shopify.com/s/files/1/0438/2018/7805/files/75646629604.pdf
- https://cdn.shopify.com/s/files/1/0432/4222/5831/files/aadhaar_scanner_app.pdf
- https://medlineplus.gov/helicobacterpyloriinfections.html
- 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_off0000913f.bin4fd8b1ddb88a8c8b1030091d321e1bb1936382d67f097c4c8dcce49b61e8cfa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x913F | 5848 bytes |
font_01_sfnt_off0000a51d.bina2e023531acaaf0336536a2a047fe989059dd3991cffcf8be4e9a4e24f5c1773 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA51D | 10224 bytes |
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