MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
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 text related to 'reading comprehension worksheets' and includes the malicious URL. The presence of a link farm further suggests an attempt to distribute malicious content or SEO manipulation.
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.com/pify?keyword=free+printable+reading+comprehension+worksheets+8th+grade
- http://files.portiaresnick.com/uploads/1/3/0/7/130775471/mevuzavukekusu-zaken-jerila.pdf
- https://cdn.shopify.com/s/files/1/0432/8023/6702/files/blanche_bailly_bonbon_mp4.pdf
- https://cdn.shopify.com/s/files/1/0436/1384/7710/files/faxuz.pdf
- https://cdn.shopify.com/s/files/1/0428/7086/6076/files/ignou_bca_solved_assignment_free_2018-_19.pdf
- https://cdn.shopify.com/s/files/1/0431/4556/0226/files/74082283097.pdf
- https://cdn.shopify.com/s/files/1/0428/4855/1068/files/nopibizuju.pdf
- https://cdn.shopify.com/s/files/1/0429/7926/2615/files/pilatikosofevafe.pdf
- https://cdn.shopify.com/s/files/1/0433/0396/0731/files/editing_documents_in_word_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/6214/0826/files/20940737202.pdf
- https://cdn.shopify.com/s/files/1/0431/0056/9766/files/essential_business_communication_skills.pdf
- https://cdn.shopify.com/s/files/1/0432/4681/3344/files/navalonefojoneg.pdf
- https://cdn.shopify.com/s/files/1/0450/8542/5829/files/atelier_bow_wow_graphic_anatomy.pdf
- https://cdn.shopify.com/s/files/1/0434/2241/7046/files/alcoholic_liver_disease_pathophysiology.pdf
- https://cdn.shopify.com/s/files/1/0437/3128/8216/files/64682977059.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_off00006a63.bin32c2fdb20111c31f944e3b9035549ec96895b307c30f0024f2445715ed0f5291 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A63 | 5932 bytes |
font_01_sfnt_off00007e66.bin6782915092df6936c5d6937fc0c4cf4e7a3a1b06a5324f86d230e31abf804891 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E66 | 12096 bytes |
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