MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'linking verb worksheets' and a URL that appears to be part of a link farm. This suggests a social engineering attempt to drive traffic to malicious infrastructure, likely as part of a phishing or scam campaign.
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=linking+verb+worksheets
- http://files.franciscoriosanderson.com/uploads/1/3/2/6/132681392/ecab6040a6.pdf
- http://gunuloru.yazdansepas.com/uploads/1/3/0/7/130738730/danemimomura.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/0460/8155/files/28312270167.pdf
- https://cdn.shopify.com/s/files/1/0433/6094/4296/files/organic_chemistry_vollhardt.pdf
- https://cdn.shopify.com/s/files/1/0434/2893/7880/files/aadhaar_card_link_with_mobile_number_form.pdf
- https://cdn.shopify.com/s/files/1/0431/7937/6798/files/xikevikinukij.pdf
- https://cdn.shopify.com/s/files/1/0431/7410/1160/files/tokuga.pdf
- https://cdn.shopify.com/s/files/1/0433/0536/9758/files/64611488609.pdf
- https://cdn.shopify.com/s/files/1/0432/9373/7110/files/zaxamarelalanefevu.pdf
- https://cdn.shopify.com/s/files/1/0437/3463/0554/files/bapevejerebemama.pdf
- https://cdn.shopify.com/s/files/1/0431/8307/9592/files/e2_80_9cvision_bundle_e2_80_9d.pdf
- https://cdn.shopify.com/s/files/1/0437/9800/3874/files/jojutefowibatiwigasox.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_off00005a62.bin0704a42c95aae2cd255c1b759dce3b08012906e4e26998d15ea5e4492eaae391 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A62 | 5004 bytes |
font_01_sfnt_off00006b7b.bin5a8240b3ffc98eac87a6139eff6ecd1f50496d7f85f5e1b0de7f188f3a02c3b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B7B | 10672 bytes |
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