MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, suggests a lure related to 'linking verbs worksheet pdf with answers'. The ML classifier strongly indicated maliciousness, and the presence of a link farm heuristic further supports a malicious intent to redirect users to harmful 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=linking+verbs+worksheet+pdf+with+answers
- http://gesibex.stephenieayoung.com/uploads/1/3/2/7/132740892/ef0b7af7c7a.pdf
- http://files.copelcommunications.com/uploads/1/3/2/6/132695629/sekanufaf.pdf
- http://files.signguides.org/uploads/1/3/1/3/131383760/764052.pdf
- http://files.bradleylloydteach.info/uploads/1/3/0/7/130739351/1308313.pdf
- http://files.bodtkergolftour.com/uploads/1/3/1/4/131407406/2647409.pdf
- https://cdn.shopify.com/s/files/1/0430/7173/3917/files/silamuduxaxug.pdf
- https://cdn.shopify.com/s/files/1/0434/6393/4105/files/accounting_warren_reeve_duchac_24th_edition.pdf
- https://cdn.shopify.com/s/files/1/0444/5110/2887/files/nxstage_system_one_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6982/files/4873285439.pdf
- https://cdn.shopify.com/s/files/1/0429/2493/3287/files/90302244283.pdf
- https://cdn.shopify.com/s/files/1/0439/0433/6040/files/32098125262.pdf
- https://cdn.shopify.com/s/files/1/0431/2920/8986/files/62737152116.pdf
- https://cdn.shopify.com/s/files/1/0433/6379/5096/files/53549802955.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/429855865.pdf
- https://cdn.shopify.com/s/files/1/0434/7399/3890/files/kasod.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2033782386.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_off00005c1b.binb18b8b54ab2e1c20890f2180e23535214956043ae3fbef3f41c3d4ba8b5075dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C1B | 5568 bytes |
font_01_sfnt_off00006f20.bind108328ec2ea96952ec9b7718996aebb628fb19ef1792f5710aa8c66de992afc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F20 | 10136 bytes |
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