MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier also flagged this PDF with high confidence. The document body contains text related to 'cycloheptane conformational analysis' and includes the malicious URL, suggesting a lure to a site that likely hosts further malicious content or phishing pages. The presence of numerous Shopify-hosted PDF links indicates a link farm strategy to improve SEO for 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.ru/pify?keyword=cycloheptane+conformational+analysis
- http://files.gzsartapalooza.com/uploads/1/3/0/8/130814124/pixifugif.pdf
- https://cdn.shopify.com/s/files/1/0435/6443/3569/files/wordpress_checklist_form.pdf
- https://cdn.shopify.com/s/files/1/0433/0464/8859/files/synonyms_and_antonyms_for_cds.pdf
- https://cdn.shopify.com/s/files/1/0434/5449/6935/files/jazukalolilelavabu.pdf
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/nba_2k14_cheats_xbox_360.pdf
- https://cdn.shopify.com/s/files/1/0431/0794/2549/files/tally_accounting_software_shortcut_keys.pdf
- https://cdn.shopify.com/s/files/1/0433/6631/8230/files/13254147413.pdf
- https://cdn.shopify.com/s/files/1/0427/8219/5879/files/nolanetonutoguzikipo.pdf
- https://cdn.shopify.com/s/files/1/0440/2541/3782/files/74558515153.pdf
- https://cdn.shopify.com/s/files/1/0437/5543/8241/files/miocardiopatia_dilatada_fisiopatologia.pdf
- https://cdn.shopify.com/s/files/1/0438/1691/1010/files/ropigodo.pdf
- https://cdn.shopify.com/s/files/1/0430/0151/2095/files/pdf_to_word_converter_online_free_for_mac.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_off00006179.bin36f398a0c25b7e7fa635bf9579093a838069b8e0d01fe8607e1c19badfd66d40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6179 | 5260 bytes |
font_01_sfnt_off00007334.bin2a6a104da52e836a5fa1691066d7e66a534c75f7a03885ce894e996113506b3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7334 | 10000 bytes |
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