MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a link to a known malicious redirector, ttraff.com, disguised as a 'Beginners guide to intermittent fasting'. This heuristic, combined with the ML classifier's high confidence, indicates a phishing or redirection attempt. The document also contains a large number of links to other PDFs, suggesting a link farm or SEO manipulation tactic.
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.com/pify?keyword=beginners+guide+to+intermittent+fasting+16%252F+8
- http://files.yourlushgarden.com/uploads/1/3/0/7/130740068/03036.pdf
- http://gejiri.robbatesphotography.com/uploads/1/3/1/4/131406390/83fc7d50e.pdf
- http://files.21socialstudies.com/uploads/1/3/1/0/131070394/6b834ca.pdf
- http://muvuxug.escapemachine.com/uploads/1/3/0/7/130775169/8cfb3246122.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4118/5189/files/54067943841.pdf
- https://cdn.shopify.com/s/files/1/0437/3974/2369/files/circulatory_system_mcgraw_hill.pdf
- https://cdn.shopify.com/s/files/1/0440/6748/7894/files/38417222159.pdf
- https://cdn.shopify.com/s/files/1/0428/4783/0183/files/46659014811.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupenase.pdf
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/watch_my_gf_password_hack.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44603331863.pdf
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/gisigujuvelurebixonodep.pdf
- https://cdn.shopify.com/s/files/1/0434/9198/3512/files/backgrounds_5e.pdf
- https://cdn.shopify.com/s/files/1/0431/3802/3581/files/34817684324.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jaxigosileworu.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000081dd.bin7a0b1032486446601a98bb8cdc72536653da1e16dd047b0c105b9f65b7f7740a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81DD | 5680 bytes |
font_01_sfnt_off00009520.bin3fee50e73ed269146594f0ab2f70b6bc98510204707a2ba240caec8e6e95f675 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9520 | 9968 bytes |
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