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, many of which point to a link farm hosted on Shopify. The primary malicious link, https://ttraff.cc/pify?keyword=psychrometric+chart+example+problems+pdf, is identified as a malicious redirector. This suggests the document is designed to lure users into clicking these links, which then redirect to malicious sites.
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=psychrometric+chart+example+problems+pdf
- http://xogipukon.tribecaaudio.com/uploads/1/3/2/6/132681352/jivigejupese.pdf
- https://cdn.shopify.com/s/files/1/0431/4392/1820/files/where_is_naxxramas.pdf
- https://cdn.shopify.com/s/files/1/0430/8205/5842/files/dulunuzolaj.pdf
- https://cdn.shopify.com/s/files/1/0431/3550/0439/files/58372921784.pdf
- https://cdn.shopify.com/s/files/1/0440/0336/0926/files/historia_universal_primera_guerra_mundial.pdf
- https://cdn.shopify.com/s/files/1/0435/6656/3487/files/mott_s_applesauce_nutrition_information.pdf
- https://cdn.shopify.com/s/files/1/0431/0823/7473/files/aprender_ingles_con_canciones.pdf
- https://cdn.shopify.com/s/files/1/0437/0448/3993/files/vodepolojavuzagatabifu.pdf
- https://cdn.shopify.com/s/files/1/0429/2096/8358/files/larson_calculus_11th_edition.pdf
- https://cdn.shopify.com/s/files/1/0430/0996/6239/files/ronaxanokukelut.pdf
- https://cdn.shopify.com/s/files/1/0432/5107/3174/files/90559745863.pdf
- https://cdn.shopify.com/s/files/1/0432/0755/7283/files/arbitration_and_conciliation_act_1996.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_off00006762.bin708f644453ae0b17dd0ff07bb5f12012619db9caa720dd7e074d49c263222b00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6762 | 5704 bytes |
font_01_sfnt_off00007aa7.bin5ee387b0401f7ac29fffd29d1b3c0f0ffc6d4351f380b6024aaf551d479ae57d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA7 | 10200 bytes |
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