MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a calendar and the malicious URL. The presence of multiple external PDF links suggests a link farm or redirection tactic to distribute 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=chinese+new+year+2020+calendar+pdf
- http://futab.delrayalternatorandstarter.com/uploads/1/3/0/7/130776612/58225e3.pdf
- http://files.104brilliant.com/uploads/1/3/0/7/130776661/4684a085feeb8.pdf
- http://files.kisyoga.com/uploads/1/3/0/7/130739835/luxolim.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0447/8477/9430/files/zinosaxefizuwuzami.pdf
- https://cdn.shopify.com/s/files/1/0431/0515/7284/files/angularjs_interview_questions_and_answers_for_experienced.pdf
- https://cdn.shopify.com/s/files/1/0428/4514/3206/files/hari_arora_applied_mathematics_3_download.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/9467339244.pdf
- https://cdn.shopify.com/s/files/1/0430/6134/6466/files/8191830812.pdf
- https://cdn.shopify.com/s/files/1/0435/9441/6290/files/acuerdo_de_paz_con_las_farc.pdf
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/xujisim.pdf
- https://cdn.shopify.com/s/files/1/0434/2733/2252/files/20072803770.pdf
- https://cdn.shopify.com/s/files/1/0440/1355/1781/files/blessed_assurance_chords_g.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gefoviliruvowej.pdf
- https://cdn.shopify.com/s/files/1/0435/8206/2753/files/tewefopewitazegunozogipe.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_off000062d7.bin5da44180c96a15d20362ba5af9d19db4c2a050e32eb437df7fa2661782549d83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62D7 | 5616 bytes |
font_01_sfnt_off000075f2.bin6794526f342e6631c8f2e1ed310476cdcd06dc7d33aadc5db90a6b6c3241a29d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75F2 | 10364 bytes |
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