MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to external files, many hosted on Shopify. The primary malicious URL identified is https://ttraff.cc/pify?keyword=neurobiology+of+mental+disorders+pdf, which likely serves as a lure to download further malware or redirect to phishing content. The document body, though heavily obfuscated, contains this URL and others.
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=neurobiology+of+mental+disorders+pdf
- http://files.streetambitionunited.com/uploads/1/3/1/3/131379115/jivemalegotojazuja.pdf
- http://files.thechelseafunnery.com/uploads/1/3/1/4/131437064/8884029.pdf
- http://dubip.iniic.com/uploads/1/3/0/8/130874067/badolev_ritubeviw_jagisunazezi_kenotakubanokej.pdf
- http://files.dlogiceu.com/uploads/1/3/1/4/131437376/vodozaxufu-vesurasud.pdf
- http://files.joffemillwork.com/uploads/1/3/0/7/130739754/wikovuvadibut.pdf
- https://cdn.shopify.com/s/files/1/0432/3426/3199/files/novel_best_seller_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2125/files/66776787436.pdf
- https://cdn.shopify.com/s/files/1/0431/6889/1040/files/babuvug.pdf
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/forimiwuzibinujorinodu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/loxidunadubufurepetiverox.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1587610690.pdf
- https://cdn.shopify.com/s/files/1/0428/2620/3302/files/90562899505.pdf
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/kotisuw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42228357160.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_off000071bd.bin9c693df7cce259728f351e4e89b4d5a15cca6f38761f97be629569f80cdae78b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71BD | 5572 bytes |
font_01_sfnt_off000084a4.bin2165315719a5427531cbfe4d05d16b00cbfeb19f64442a5216c181e66ac5f523 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84A4 | 9820 bytes |
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