MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=teknikal+na+pagsulat+halimbawa+pdf', is designed to lure users into clicking it under the guise of a technical writing example. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various resources, many of which are hosted on Shopify. The ML classifier strongly flagged this PDF as malicious.
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=teknikal+na+pagsulat+halimbawa+pdf
- http://files.greenwoodleflorehof.org/uploads/1/3/1/6/131606951/6536434.pdf
- http://files.alberfrenchflorist.org/uploads/1/3/1/3/131398291/7032236.pdf
- http://nidet.f4f-uncdf.org/uploads/1/3/1/6/131636612/7968677.pdf
- https://cdn.shopify.com/s/files/1/0430/2854/5693/files/windows_booting_process_step_by_step.pdf
- https://cdn.shopify.com/s/files/1/0438/3647/3501/files/c_check_if_string_is_numeric.pdf
- https://cdn.shopify.com/s/files/1/0446/0825/8211/files/data_structures_and_algorithms_in_python_solutions.pdf
- https://cdn.shopify.com/s/files/1/0430/9162/4096/files/5076062200.pdf
- https://cdn.shopify.com/s/files/1/0440/3865/2069/files/7_days_to_die_glue.pdf
- https://cdn.shopify.com/s/files/1/0431/6263/2360/files/bubaduritorarozepiwurem.pdf
- https://cdn.shopify.com/s/files/1/0435/2632/4383/files/59861375637.pdf
- https://cdn.shopify.com/s/files/1/0431/3972/7509/files/xafugotusojanevasekak.pdf
- https://cdn.shopify.com/s/files/1/0435/5905/9615/files/xigetijefumijijelatiz.pdf
- https://cdn.shopify.com/s/files/1/0433/5858/4986/files/16632849850.pdf
- https://cdn.shopify.com/s/files/1/0432/7977/7945/files/diagnosis_of_hepatitis_c_virus.pdf
- https://cdn.shopify.com/s/files/1/0435/2652/0987/files/fepuzilukusitinudosajex.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_off0000652f.bin20d43fcdfca10a187cb7296cc29e8f07f31fa5ca83a2cf897f5cc93f7f3d2049 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x652F | 5604 bytes |
font_01_sfnt_off00007826.binf4af6d4d8b5d650f598108b50abec8f86a4720643530f7c0458d612fee237142 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7826 | 9980 bytes |
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