MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=annadata+books+telugu+pdf', which is also flagged as malicious. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to obscure the ultimate destination and potentially spread 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=annadata+books+telugu+pdf
- http://files.roisinburns.com/uploads/1/3/0/8/130874284/2567570.pdf
- http://files.dandhmedical.com/uploads/1/3/1/4/131408172/fitarigo.pdf
- http://manex.unitedmattresswarehouse.com/uploads/1/3/0/7/130776407/8296241.pdf
- https://cdn.shopify.com/s/files/1/0434/0498/4483/files/duvibovupafodejid.pdf
- https://cdn.shopify.com/s/files/1/0437/6759/5165/files/pan_african_university_scholarship_2020_19.pdf
- https://cdn.shopify.com/s/files/1/0434/9100/0472/files/62986185987.pdf
- https://cdn.shopify.com/s/files/1/0429/5576/7967/files/29930855468.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8039/files/magisters_terrace_entrance.pdf
- https://cdn.shopify.com/s/files/1/0433/9341/7366/files/26237059326.pdf
- https://cdn.shopify.com/s/files/1/0432/8115/4198/files/gezugasaf.pdf
- https://cdn.shopify.com/s/files/1/0431/0099/5741/files/liwotirekuf.pdf
- https://cdn.shopify.com/s/files/1/0430/0010/3073/files/82812094174.pdf
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/cast_bronze_bearing_design_manual.pdf
- https://cdn.shopify.com/s/files/1/0448/9605/9547/files/pumpkin_pie_minecraft_recipe.pdf
- https://cdn.shopify.com/s/files/1/0437/3364/7525/files/piregenesajivavabixij.pdf
- https://cdn.shopify.com/s/files/1/0434/5580/7654/files/megivanitosut.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_off0000631d.bin8ddfde9274bb0997b2771fa879e8865b073213aaaedef108f96f8f3b9b620a75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x631D | 5304 bytes |
font_01_sfnt_off00007543.binec86d75f90ea5259c5bd33ca167788467d00fde159d4e87b9aa2543378822aba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7543 | 10280 bytes |
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